In the coming decades, the world’s largest space agencies hope to mount some exciting missions to the Moon and to Mars. Between NASA, Roscosmos, the European Space Agency (ESA), the Chinese National Space Agency (CNSA) and the Indian Space Research Organization (ISRO), there is simply no shortage of proposals for Lunar bases, crewed missions to Mars, and robotic explorers to both.
However, the Japanese Aerospace Exploration Agency (JAXA) has a different mission in mind when it comes to the coming decades. Instead of exploring the Moon or Mars, they propose exploring the moons of Mars! Known as the Martian Moons Exploration (MMX) mission, the plan is to have a robotic spacecraft fly to Phobos and Deimos to explore their surfaces and return samples to Earth for analysis.
For decades, we could only imagine what the view of Pluto’s surface might be. Now, we have the real thing.
The images and data from the New Horizons’ mission flyby of Pluto in July 2015 showed us an unexpectedly stunning and geologically active world. Scientists have used words like ‘magical,’ ‘breathtaking’ and ‘scientific wonderland’ to describe the long-awaited close-up views of distant Pluto.
Even though scientists are still analyzing the data from New Horizons, ideas are starting to formulate about sending another spacecraft to Pluto, but with a long-term orbiter mission instead of a quick flyby.
“The next appropriate mission to Pluto is an orbiter, maybe equipped with a lander if we had enough funding to do both,” New Horizons’ principal investigator Alan Stern told Universe Today in March.
This week, Stern has shared on social media that the New Horizons’ science team is meeting. But, separately, another group is starting to talk about a possible next mission to Pluto.
Getting a spacecraft to the outer regions of our solar system as fast as possible provides challenges, particularly in being able to slow down enough to enable going into orbit around Pluto. For the speedy and lightweight New Horizons, an orbital mission was impossible.
What propulsion system might make a Pluto orbiter and/or lander mission possible?
A few ideas are being tossed around.
Space Launch System
One concept takes advantage of NASA’s big, new Space Launch System (SLS), currently under development to enable human missions to Mars. NASA describes the SLS as “designed to be flexible and evolvable and will open new possibilities for payloads, included robotic scientific missions.” Even the first Block 1 version can launch 70 metric tons (later versions might be able to lift up to 130 metric tons.) Block 1 will be powered by twin five-segment solid rocket boosters and four liquid propellant engines, with a proposed 15% more thrust at launch than the Saturn V rockets that sent astronauts to the Moon.
But an orbiter mission to Pluto might not be the best use of the SLS alone.
It takes a lot of fuel to accelerate a vehicle to fast enough speed to get to Pluto in a reasonable amount of time. For example, New Horizons was the fastest spacecraft ever launched, using a souped-up Atlas V rocket with extra boosters, it performed a big burn when New Horizons departed Earth orbit. The lightweight spacecraft sped away from the Earth at 36,000 miles per hour (about 58,000 km/ hour), then used a gravity assist from Jupiter to boost New Horizons’ speed to 52,000 mph (83,600 km/h), traveling nearly a million miles (1.5 million km) a day in its 3 billion mile (4.8 billion km) journey to Pluto. The flight took nine and a half years.
“To enter Pluto orbit, a vehicle [like SLS] would have to boost up to that same speed, then turn around and decelerate for half the trip to arrive at Pluto with a net velocity of zero relative to the planet,” explained Stephen Fleming, an investor in several alt-space startups including XCOR Aerospace, Planetary Resources and NanoRacks. “Unfortunately, due to the tyranny of the rocket equation, you would have to carry all the fuel/propellant to decelerate with you at launch … which means accelerating the orbiter AND all that fuel in the initial phase. That requires logarithmically more fuel for the initial burn, and it turns out to be a LOT of fuel.”
Fleming told Universe Today that using the multi-billion dollar SLS to launch a Pluto orbiter, you would wind up launching an entire payload full of propellant just to accelerate and decelerate a tiny Pluto orbiter.
“That’s an extraordinarily expensive mission,” he said.
RTG-Ion Propulsion
A better option might be to use a propulsion system of combined technologies. Stern mentioned a NASA study that looked at using the SLS as the launch vehicle and to boost the spacecraft towards Pluto, but then using an RTG (Radioisotope Thermoelectric Generator) powered ion engine to later brake for an orbital arrival.
An RTG produces heat from the natural decay of non-weapons-grade plutonium-238, and the heat is converted into electricity. An RTG ion engine would be a more powerful ion propulsion system than the current solar electric ion engine on the Dawn spacecraft, now orbiting Ceres, in the asteroid belt, plus it would enable operation in the outer solar system, far from the Sun. This nuclear powered ion engine would enable a speeding spacecraft to slow down and go into orbit.
“The SLS would boost you to fly out to Pluto,” Stern said, “and it would actually take two years to do the braking with ion propulsion.”
Stern said the flight time for such a mission to Pluto would be seven and a half years, two years faster than New Horizons.
The proposal uses a Direct Fusion Drive (DFD) engine that has propulsion and power in one integrated device. DFD provides high thrust to allow for a flight time of about 4 years to Pluto, plus being able to send substantial mass to orbit, perhaps between 1000 to 8000 kg.
DFD is based on the Princeton Field-Reversed Configuration (PFRC) fusion reactor that has been under development for 15 years at the Princeton Plasma Physics Laboratory.
If this propulsion system works as planned, it could launch a Pluto orbiter and a lander (or possibly a rover), and provide enough power to maintain an orbiter and all its instruments, as well as beam a lot of power to a lander. That would enable the surface vehicle to beam back video to the orbiter because it would have so much power, according to Stephanie Thomas from Princeton Satellite Systems, Inc., who is leading the NIAC study.
“Our concept is generally received as, ‘wow, that sounds really cool! When can I get one?’” Thomas told Universe Today. She said her and her team chose a prototype Pluto orbiter and lander mission in their proposal because it’s a great example of what can be done with a fusion rocket.
Their fusion system uses a small linear array of solenoid coils, and their fuel of choice is deuterium helium 3, which has very low neutron production.
“It fits on a spacecraft, it fits on a launch vehicle,” Thomas explained in a NIAC symposium talk (her talk starts about 17:30 in the linked video). “There’s no lithium, or other dangerous materials, it produces very few damaging particles. It’s about the size of a minivan or small truck. Our system is cheaper and faster to develop than other fusion proposals.”
The Princeton team has been able to produce 300 millisecond pulses with their plasma heating experiment, orders of magnitude better than any other system.
“The biggest hurdle is the fusion itself,” she said. “We need to build a bigger experiment to finish proving the new heating method, which will require an order of magnitude more resources than the project has been receiving from the Department of Energy so far,” Thomas said via email. “However, it’s still small in the grand scheme of advanced technology projects, about $50 million.”
Thomas said that DARPA has spent much more on many technology initiatives that ended up canceled. And it’s also much less than other fusion technologies require for the same stage of research, since our machine is so small and has a simple coil configuration.” (Thomas said have a look at the budget for ITER, the international nuclear fusion research and engineering megaproject, currently running over $20 billion).
“To put it simply, we know our method heats electrons really well and can extrapolate to heating ions, but we need to build it and prove it,” she said.
Thomas and her team are currently working on the “balance of plant” technology – the subsystems that will be required to operate the engine in space, assuming the heating method works as currently predicted.
In terms of the Pluto mission itself, Thomas said there aren’t any particular hurdles on the orbiter itself, but it would involve scaling up a few technologies to take advantage of the very large amount of power available, such as the optical communications.
“We could dedicate tens or more kW of power to the communication laser, not 10 watts, [like current missions]” she said. “Another unique feature of our concept is being able to beam a lot of power to a lander. This would enable new classes of planetary science instruments like powerful drills. The technology to do this exists but the specific instruments need to be designed and built. Additional technology that will be needed that is under development in various industries are lightweight space radiators, next-generation superconducting wires, and long-term cryogenic storage for the deuterium fuel.”
Thomas said their NIAC research is going well.
“We were selected for the NIAC Phase II study, and are in contract negotiations now,” she said. “We are busy working on higher fidelity models of the engine’s thrust, designing components of the trajectory, and sizing the various subsystems, including the superconducting coils,” she said. “Our current estimates are that a single 1 to 10 MW engine will produce between 5 and 50 N thrust, at about 10,000 sec specific impulse.”
Laser Zapping to Pluto
Another futuristic propulsion possibility is the laser-based systems proposed by Yuri Milner for his Breakthrough Starshot proposal, where small cubesats could be zapped by lasers on Earth, basically “bug zapping” spacecraft to reach incredible speeds (possibly millions of miles/km per hour) to visit the outer solar system or beyond.
“It’s not really in the cards for us to use this kind of technology, because we’d have to wait decades just for this to be developed,” Stern said. “But if you could send lightweight, inexpensive spacecraft at speeds like one-10th the speed of light based on lasers from Earth. We could send these small spacecraft to hundreds or thousands of objects in the Kuiper Belts, and you’d be out there in a matter of two-and-a-half days. You could send a spacecraft past Pluto every day. That would be really game changing.”
The Realistic Future
But even if everyone agrees a Pluto orbiter should be done, the earliest possible date for such a mission is sometime between the early 2020s and the early 2030s. But it all depends on the recommendations put forth by the scientific community’s next decadal survey, which will suggest the most top-priority missions for NASA’s Planetary Science Division.
These Decadal Surveys are 10-year “roadmaps” that set science priorities and provide guidance on where NASA should send spacecraft and what types of missions they should be. The last Decadal Survey was published in 2011, and that set planetary science priorities through 2022. The next one, for 2023-2034, will likely be published in 2022.
The New Horizons mission was the result of the suggestions from the 2003 planetary science Decadal Survey, where scientists said visiting the Pluto system and worlds beyond was a top-priority destination.
So, if you’re dreaming of a Pluto orbiter, keep talking about it.
This remarkable image was captured last fall by Dave Markel, a photographer based in Kamloops, British Columbia. Later, aurora researcher Eric Donovan of the University of Calgary, discovered Markel’s strange ribbon of light while looking through photos of the northern lights on social media. Knowing he’d found something unusual, Donovan worked sifted through data from the European Space Agency’s Swarm magnetic field mission to try and understand the nature of the phenomenon.
Launched on 22 November 2013, three identical Swarm satellites orbit the Earth measuring the magnetic fields that stem from Earth’s core, mantle, crust and oceans, as well as from the ionosphere and magnetosphere. Speaking at the recent Swarm science meeting in Canada, Donovan explained how this new finding couldn’t have happened 20 years ago when he started to study the aurora.
While the shimmering, eerie, light display of auroras might be beautiful and captivating, they’re also a visual reminder that Earth is connected electrically and magnetically to the Sun. The more we know about the aurora, the greater our understanding of that connection and how it affects everything from satellites to power grids to electrically-induced corrosion of oil pipelines.
“In 1997 we had just one all-sky imager in North America to observe the aurora borealis from the ground,” said Prof. Donovan. “Back then we would be lucky if we got one photograph a night of the aurora taken from the ground that coincides with an observation from a satellite. Now we have many more all-sky imagers and satellite missions like Swarm so we get more than 100 a night.”
And that’s where sharing photos and observations on social media can play an important role. Sites like the Great Lakes Aurora Hunters and Aurorasaurus serve as clearinghouses for observers to report auroral displays. Aurorasaurus connects citizen scientists to scientists and searches Twitter feeds for instances of the word ‘aurora,’ so skywatchers and scientists alike know the real-time extent of the auroral oval.
At a recent talk, Prof. Donovan met members the popular Facebook group Alberta Aurora Chasers. Looking at their photos, he came across the purple streak Markel and others had photographed which they’d been referring to as a “proton arc.” But such a feature, caused by hydrogen emission in the upper atmosphere, is too faint to be seen with the naked eye. Donovan knew it was something else, but what?Someone suggested “Steve.” Hey, why not?
While the group kept watch for the Steve’s return, Donovan and colleagues looked through data from the Swarm mission and his network of all-sky cameras. Before long he was able to match a ground sighting of streak to an overpass of one of the three Swarm satellites.
“As the satellite flew straight though Steve, data from the electric field instrument showed very clear changes,” said Donovan.
“The temperature 186 miles (300 km) above Earth’s surface jumped by 3000°C and the data revealed a 15.5-mile-wide (25 km) ribbon of gas flowing westwards at about 6 km/second compared to a speed of about 10 meters/second either side of the ribbon. A friend of mine compared it to a fluorescent light without the glass.
It turns out that these high-speed “rivers” of glowing auroral gas are much more common than we’d thought, and that in no small measure because of the efforts of an army of skywatchers and aurora photographers who keep watch for that telltale green glow in the northern sky.
I spoke to Steve’s keeper, Dave Markel, via e-mail yesterday and he described what the arc looked like to his eyes:
“It’s similar to the image just not as intense. It looks like a massive contrail moving rapidly across the sky. This one lasted almost an hour and ran in an arc almost perfectly east to west. I was directly below it but often there are green pickets (parallel streaks of aurora) rising above the streak.”
I know whereof Dave speaks because thanks to his photo and Prof. Donovan’s research, I realize I’ve seen and photographed Steve, too! In decades of aurora watching I’ve only seen this rare streak a handful of times. On most of those occasions, there was either no other aurora visible or minor activity in the northern sky. The narrow arc, which lasted for an hour or so, pulsed and flowed with light and occasionally, Markel’s “pickets” were visible. Back in May 1990 I had a camera on hand to get a picture.
Goes to show, you never know what you might see when you poke your head out for a look. Keep a lookout when aurora’s expected and maybe you’ll get to meet Steve, too.
One of the most common features of space exploration has been the use of disposable components to get missions to where they are going. Whether we are talking about multistage rockets (which fall away as soon as they are spent) or the hardware used to achieve Entry, Descent and Landing (EDL) onto a planet, the idea has been the same. Once the delivery mechanism is used up, it is cast away.
However, in so doing, we could be creating a hazardous situation for future missions. Such is the conclusion reached by a new study from the Finnish Meteorological Institute in Helsinki, Finland. With regard to the use of Entry, Descent and Landing (EDL) systems, the study’s author – Dr. Mark Paton – concludes that jettisoned hardware from missions to Mars could create a terrible mess near future landing sites.
Dr. Mark Paton is a planetary research scientist who specializes in the interaction between the Martian atmosphere and its surface. As such, he is well-versed in the subject of EDL systems that are designed to land missions on Solar System bodies that have atmospheres. This is certainly a going concern for Mars, where landers and rovers have relied on various means to get to the surface safely.
Consider the Curiosity rover, which used a separate EDL system – known as the Sky Crane – to land on Mars in 2012. As the first EDL system of its kind, the Sky Crane was a essentially a rocket-powered backpack mounted on top of the rover. This system kicked in after Curiosity separated from its Descent module (which was slowed by a parachute) and used rockets to slow the rover’s decent even further.
Once it was sufficiently close to the surface, the Sky Crane lowed the rover to the ground with tethers measuring 6.4 meters (21 ft) long. It then detached and landed a safe distance away, not far from the Descent module’s heat shield, backshell, and parachute landed. These jettisoned bits were all photographed from orbit by the MSL’s HiRISE instrument a day after the landing.
Unfortunately, this kind of technology does not address another major concern – which is the accumulation of spent hardware components on the surface of a planet. In time, these could pose risks for future missions, mainly because they have the potential of being blown around and cluttering up other (and future) landing sites that are located not far away.
As Dr. Paton indicated in an interview with Seeker columnist (and Universe Today alumnist) Elizabeth Howell:
“Currently available landing systems, using heat shield and parachutes, might be problematic because jettisoned hardware from these landers normally land within a few hundred meters of the lander. I would imagine a sample return mission would not jettison its parachute in close vicinity of the target sample or the cached sample. The parachute might cover the sample, making its retrieval a problem. Landers using large parachutes or other large devices probably pose the greatest risk as these could be easily blown onto equipment on the surface, damaging or covering it.”
For the sake of his study, Dr. Paton relied on 3D computer modelling (using the space flight simulator Orbiter) to examine different types of ELD systems. He then conducted meteorological measurements to determine wind speeds and direction within the Martian Planetary Boundary Layer (PBL), in order to determine their influence on the distribution of jettisoned components across the surface of Mars.
What he found was that winds speeds within the Martian PBL were sufficient enough to blow around certain types of EDL systems. This included parachutes – a mainstay of space missions – as well as next-generations concepts like the HIAC. Basically, these components could be blown onto prelanded assets, even when the lander itself has touched down several kilometers away.
This could play havoc with robotic missions that have sensitive equipment or are attempting to collect samples for return to Earth. And as for crewed missions – such as NASA’s proposed “Journey to Mars”, which is expected to take place in the 2030s – the results could be even worse. Crew habitats, which will be part of all future crewed missions, will rely on solar panels and other devices that need to be free of clutter in order to function.
As such, Dr. Paton advises that future missions be designed so that the amount of hardware they leave behind is minimized. In addition, he advises that any future missions will need to take into account meteorological measurement to make sure that jettisoned components are not likely to blow back and interfere with missions in progress.
“For new landing systems, a detailed trade-off analysis would be required to determine the best way to mitigate this problem,” he said. “To be sure that the wind is blowing away from any landed assets, the winds in the lower few kilometers of the atmosphere would ideally need to be measured close to the time of the lander’s expected arrival.”
As if planning missions to Mars wasn’t already challenging enough! In addition to all the things we need to worry about in getting there, now we need to worry about keeping our landing sites in pristine order. But of course, such considerations are understandable since our presence on Mars is expanding, and many key missions are planned for the coming years.
These include more robotic rovers in the next decade – i.e NASA’s Mars 2020 rover, the ESA’s Exomars rover, and the ISRO’s Mangalyaan 2 rover – an even NASA’s proposed “Journey to Mars” by the 2030s. If we’re going to make Mars a regular destination, we need to learn to pick up after ourselves!
KENNEDY SPACE CENTER, FL – The ‘SS John Glenn’ cargo freighter stands proudly poised for launch at pad 41 from the Florida Space Coast on Tuesday April 18, loaded with a stash of nearly 4 tons of science investigations and essential supplies atop a United Launch Alliance Atlas V rocket destined for the multinational crew aboard the International Space Station (ISS).
The lunchtime liftoff of the ‘SS John Glenn’ Cygnus resupply spacecraft manufactured by NASA commercial cargo provider Orbital ATK is slated for 11:11 a.m. EDT Tuesday, April 18 from Space Launch Complex 41 on Cape Canaveral Air Force Station, FL.
The US cargo ships provided by NASA suppliers Orbital ATK and SpaceX every few months act as NASA’s essential railroad to space. And they are vital to operating the station with a steady stream of new research experiments as well as essential hardware, spare parts, crew supplies, computer, maintenance and spacewalking equipment as well food, water, clothing, provisions and much more.
The launch window lasts 30 minutes and runs from 11:11-11:41 a.m. EDT April 18.
Excited spectators are gathering from near and far and Tuesday’s weather outlook is spectacular so far.
Blastoff of the S.S. John Glenn on the OA-7 or CRS-7 flight counts as Orbital ATK’s seventh contracted commercial resupply services mission to the ISS for NASA.
The ‘S.S. John Glenn’ is named in honor of legendary NASA astronaut John Glenn – the first American to orbit Earth back in February 1962.
If you can’t attend in person, there are a few options to watch online.
NASA’s Atlas V/Cygnus CRS-7 launch coverage will be broadcast on NASA TV and the NASA launch blog beginning at 10 AM, Tuesday morning.
A ULA webcast will be available starting at 10 a.m. at: www.ulalaunch.com
And for the first time ever you can also watch the launch live via a live 360 stream on the NASA Television YouTube channel. The 360 degree broadcast starts about 10 minutes prior to lift off at:
The late morning daytime launch offers the perfect opportunity to debut this technology with the rocket magnificently visible atop a climbing plume of smoke and ash – and with a “pads-eye” view!
Science plays a big role in this mission in tribute named in tribute to John Glenn. Over one third of the payload loaded aboard Cygnus involves science.
“The new experiments will include an antibody investigation that could increase the effectiveness of chemotherapy drugs for cancer treatment and an advanced plant habitat for studying plant physiology and growth of fresh food in space,” according to NASA.
The astronauts will grow food in space, including Arabidopsis and dwarf wheat, in an experiment that could lead to providing nutrition to astronauts on a deep space journey to Mars.
“Another new investigation bound for the U.S. National Laboratory will look at using magnetized cells and tools to make it easier to handle cells and cultures, and improve the reproducibility of experiments. Cygnus also is carrying 38 CubeSats, including many built by university students from around the world as part of the QB50 program. The CubeSats are scheduled to deploy from either the spacecraft or space station in the coming months.”
Also aboard is the ‘Genes in Space-2’ experiment. A high school student experiment from Julian Rubinfien of Stuyvescent High School, New York City, to examine accelerated aging during space travel. This first experiment will test if telomere-like DNA can be amplified in space with a small box sized experiment that will be activated by station astronauts.
The Saffire III payload experiment will follow up on earlier missions to study the development and spread of fire and flames in the microgravity environment of space. The yard long experiment is located in the back of the Cygnus vehicle. It will be activated after Cygnus departs the station roughly 80 days after berthing. It will take a few hours to collect the data for transmission to Earth.
Furthermore you can learn more about the Orbital ATK CRS-7 mission by going to the mission home page at: http://www.nasa.gov/orbitalatk
From a weather standpoint, Tuesday’s launch outlook is outstanding at this time.
According to meteorologists with the U.S. Air Force 45th Weather Squadron we are forecasting a 90 percent chance of “go” conditions at the 11:11 a.m. EDT launch time. The primary concern is for the possibility of cumulus clouds.
The forecast calls for temperatures of 75-76° F with on-shore winds peaking below 10 knots during the countdown.
In the event of a delay for any reason related to weather or technical issues a backup launch opportunity exists for Wednesday, April 19, and also looks promising.
The AF is also predicting the same 90 percent chance of “go” conditions at launch time. With the primary concern again being for the possibility of cumulus clouds.
The rocket was rolled out to pad 41 at about 9 a.m. EDT this morning Monday April 17, in a process that takes about 25 minutes
The rocket and spacecraft passed the Launch Readiness Review held by United Launch Alliance and Orbital ATK on April 15. Launch managers from ULA, Orbital ATK and NASA determined all is ready for Tuesday’s targeted launch to the ISS.
OA-7 is loaded with 3500 kg (7700 pounds) of science experiments and hardware, crew supplies, spare parts, gear and station hardware to the orbital laboratory in support over 250 research experiments being conducted on board by the Expedition 51 and 52 crews. The total volumetric capacity of Cygnus exceeds 27 cubic meters.
The Orbital ATK Cygnus CRS-7 (OA-7) mission will launch aboard an Atlas V Evolved Expendable Launch Vehicle (EELV) in the 401 configuration vehicle. This includes a 4-meter-diameter payload fairing in its longest, extra extended configuration (XEPF) to accommodate the enhanced, longer Cygnus variant being used.
The first stage of the Atlas V booster is powered by the RD AMROSS RD-180 engine. There are no side mounted solids on the first stage. The Centaur upper stage is powered by the Aerojet Rocketdyne RL10C-1 engine.
Overall this is the 71st launch of an Atlas V and the 36th utilizing the 401 configuration.
The 401 is thus the workhorse version of the Atlas V and accounts for half of all launches.
Watch for Ken’s onsite launch reports direct from the Kennedy Space Center in Florida.
Stay tuned here for Ken’s continuing Earth and Planetary science and human spaceflight news.
Learn more about the SS John Glenn/ULA Atlas V launch to ISS, NASA missions and more at Ken’s upcoming outreach events at Kennedy Space Center Quality Inn, Titusville, FL:
Apr 18-19: “SS John Glenn/ULA Atlas V launch to ISS, SpaceX SES-10, EchoStar 23, CRS-10 launch to ISS, ULA Atlas SBIRS GEO 3 launch, GOES-R weather satellite launch, OSIRIS-Rex, SpaceX and Orbital ATK missions to the ISS, Juno at Jupiter, ULA Delta 4 Heavy spy satellite, SLS, Orion, Commercial crew, Curiosity explores Mars, Pluto and more,” Kennedy Space Center Quality Inn, Titusville, FL, evenings
CAPE CANAVERAL AIR FORCE STATION, FL – The second round of March Launch Madness continued with the thunderous nighttime blastoff of a ULA Delta IV rocket powering a super swift military communications satellite to orbit in a collaborative effort of U.S. Allies from North America, Europe and Asia and the U.S. Air Force.
The next generation Wideband Global SATCOM-9 (WGS-9) military comsat mission for the U.S. Force lifted off atop a United Launch Alliance (ULA) Delta IV from Space Launch Complex-37 (SLC-37) on Saturday, March 18 at 8:18 p.m. EDT at Cape Canaveral Air Force Station, Florida.
Check out this expanding gallery of spectacular launch photos and videos gathered from my space journalist colleagues, myself and spectators ringing the space coast under crystal clear early evening skies.
A key feature in this advanced Block II series WGS satellite is inclusion of the upgraded digital channelizer that nearly doubles the available bandwidth of earlier satellites in the series.
WGS-9 can filter and downlink up to 8.088 GHz of bandwidth compared to 4.410 GHz for earlier WGS satellites. It supports communications links in the X-band and Ka-band spectra.
Note that Round 3 of March Launch Madness is tentatively slated for March 29 with the SpaceX liftoff of the first ever reused Falcon 9 first stage from historic pad 39 on NASA’s Kennedy Space Center.
The WGS-9 satellite was paid for by a six nation consortium that includes Canada, Denmark, Luxembourg, the Netherlands, New Zealand and the United States. It joins 8 earlier WGS satellites already in orbit.
The partnership was created back in 2012 when the ‘WGS-9 Memorandum of Understanding (MOU)’ was signed by Defense organizations of the six countries.
The WGS-9 MOU agreement to fund the satellite enabled the expansion of the WGS system with this additional satellite added to the existing WGS constellation.
“The agreement provides all signatories with assured access to global wideband satellite communications for military use,” according to the US Air Force.
Watch this launch video compilation from Jeff Seibert:
Video Caption: Launch of WGS-9 satellite continues USAF Breaking Barriers heritage. This ULA Delta 4 launch of the WGS-9 satellite on Mar 18, 2017 marks the start of the 70th anniversary of the United States Air Force. That was also the year that U.S. Air Force Captain Chuck Yeager broke the sound barrier. Credit: Jeff Seibert
Watch this launch video from Ken Kremer:
Video Caption: ULA/USAF Delta IV launch of Wideband Global SATCOM (WGS-9) from pad 37 on Cape Canaveral Air Force Station, Fl, on 18 Mar. 2017 – as seen in this remote video taken at the pad. Credit: Ken Kremer/kenkremer.com
WGS-9 was built by Boeing.
The 217 foot tall Delta IV Medium+ rocket launched in the 5,4 configuration with a 5 meter diameter payload fairing that stands 47 feet tall, and 4 solid rocket boosters to augment the first stage thrust of the single common core booster.
The payload fairing was emblazoned with decals commemorating the 70th anniversary of the USAF, as well as Air Force, mission and ULA logos.
Orbital ATK manufactures the four solid rocket motors. The Delta IV common booster core was powered by an RS-68A liquid hydrogen/liquid oxygen engine producing 705,250 pounds of thrust at sea level.
A single RL10B-2 liquid hydrogen/liquid oxygen engine powered the second stage, known as the Delta Cryogenic Second Stage (DCSS).
The booster and upper stage engines are both built by Aerojet Rocketdyne. ULA constructed the Delta IV Medium+ (5,4) launch vehicle in Decatur, Alabama.
The DCSS will also serve as the upper stage for the maiden launch of NASA heavy lift SLS booster on the SLS-1 launch slated for late 2018. That DCSS/SLS-1 upper stage just arrived at the Cape last week – as I witnessed and reported here.
Saturday’s launch marks ULA’s 3rd launch in 2017 and the 118th successful launch since the company was formed in December 2006 as a joint venture between Boeing and Lockheed Martin.
Stay tuned here for Ken’s continuing Earth and planetary science and human spaceflight news.
KENNEDY SPACE CENTER, FL – Under stellar moonlit Florida skies, a private SpaceX Falcon 9 took flight overnight and flawlessly delivered the commercial EchoStar 23 television satellite to geosynchronous orbit after high winds delayed the rockets roar to orbit by two days from Tuesday. Breaking News: Check back for updates
The post midnight spectacle thrilled spectators who braved the wee hours this morning and were richly rewarded with a rousing rush as the 229 foot tall Falcon 9 rocket thundered to life at 2:00 a.m. EDT Thursday, March 16 from historic Launch Complex 39A on NASA’s Kennedy Space Center and sped to orbit.
Rising on the power of 1.7 million pounds of liftoff thrust generated by nine Marlin 1D first stage engines, the two stage Falcon 9 rocket successfully delivered the commercial EchoStar 23 telecommunications satellite to a Geostationary Transfer Orbit (GTO) for EchoStar Corporation.
The satellite was deployed approximately 34 minutes after launch.
Thus began March Launch Madness !!
If all goes well, March features a triple header of launches with launch competitor and arch rival United Launch Alliance (ULA) planning a duo of nighttime blastoffs from their Delta and Atlas rocket families. The exact dates are in flux due to the earlier postponement of the SpaceX Falcon 9. They have been rescheduled for March 18 and 24 respectively.
EchoStar 23 will be stationed over Brazil for direct to home television broadcasts and high speed voice, video and data communications to millions of customers for EchoStar.
It was designed and built by Space Systems Loral (SSL).
“EchoStar XXIII is a highly flexible, Ku-band broadcast satellite services (BSS) satellite with four main reflectors and multiple sub-reflectors supporting multiple mission profiles,” according to a description from EchoStar Corporation.
EchoStar XXIII will initially be deployed in geosynchronous orbit at 45° West. The Satellite End of Life (EOL) Power is 20 kilowatts (kW).
The entire launch sequence was broadcast live on a SpaceX hosted webcast that began about 20 minutes before the revised liftoff time of 2:00 a.m. from the prelaunch countdown, blastoff and continued through the dramatic separation of the EchoStar 23 private payload from the second stage.
The EchoStar 23 launch counts as only the second Falcon 9 ever to blast off from pad 39A.
SpaceX’s billionaire CEO Elon Musk leased historic pad 39A from NASA back in April 2014 for launches of the firms Falcon 9 and Falcon Heavy carrying both robotic vehicles as well as humans on missions to low Earth orbit, the Moon and ultimately the Red Planet.
The inaugural Falcon 9 blastoff successfully took place last month on Feb. 19, as I reported here.
However unlike most recent SpaceX missions, the legless Falcon 9 first stage will not be recovered via a pinpoint propulsive landing either on land or on a barge at sea.
Because of the satellite delivery to GTO, there are insufficient fuel reserves to carry out the booster landing.
“SpaceX will not attempt to land Falcon 9’s first stage after launch due to mission requirements,” officials said.
Therefore the first stage is not outfitted with either landing legs or grid fins to maneuver it back to a touchdown.
SpaceX announced that this was the last launch of an expendable Falcon 9.
Stay tuned here for Ken’s continuing Earth and Planetary science and human spaceflight news.
KENNEDY SPACE CENTER, FL – High winds halted SpaceX’s early morning attempt to launch a legless Falcon 9 rocket and the EchoStar XXIII commercial communications satellite soon after midnight Tuesday, Mar. 14, from the Florida Space Coast amidst on and off rain showers and heavy cloud cover crisscrossing central Florida all afternoon Monday, Mar. 13 and into the overnight hours.
SpaceX then decided to reschedule the EchoStar 23 telecommunications satellite launch for post-midnight Thursday, March 16, at 1:35 a.m. EDT.
Tuesday’s launch scrub was called some 40 minutes prior to the scheduled opening of the two and a half hour long launch window at 1:34 a.m. EDT.
“Standing down due to high winds; working toward next available launch opportunity,” SpaceX tweeted just as engineers had started fueling the two stage rocket poised for blastoff from historic launch pad 39A from NASA’s Kennedy Space Center.
After further evaluating when to schedule a second attempt, SpaceX then stuck to their original plan of a 48 hour turnaround.
If all goes well, March features a triple header of launches with launch competitor and arch rival United Launch Alliance (ULA) planning a duo of nighttime blastoffs from their Delta and Atlas rocket families. The exact dates are in flux due to the postponement of the SpaceX Falcon 9. They had been slated for March 17 and 21 respectively.
Since continuing high winds have plagued the space coast region all day today and the weather is forecast to improve significant tomorrow, a two day delay to Thursday seemed rather prudent – solely from a weather standpoint.
“After standing down due to high winds, SpaceX is now targeting Thursday, March 16th for the EchoStar XXIII launch.” SpaceX officials announced via their website and social media.
“The launch window opens at 1:35 am ET and weather conditions are expected to be 90% favorable.”
The two and a half hour launch window closes at 4:05 a.m. EDT.
You can watch the launch live on a SpaceX dedicated webcast starting about 20 minutes prior to the 1:35 a.m. liftoff time.
The SpaceX webcast will be available starting at about 20 minutes before liftoff, at approximately 1:14 a.m. EDT.
The two stage Falcon rocket will deliver the commercial EchoStar 23 telecommunications satellite to a Geostationary Transfer Orbit (GTO) for EchoStar Corporation.
The satellite will be deployed approximately 34 minutes after launch.
The EchoStar 23 launch counts as only the second Falcon 9 ever to blastoff from pad 39A – which SpaceX’s billionaire CEO Elon Musk leased from NASA back in April 2014.
The inaugural Falcon 9 blastoff successfully took place last month on Feb. 19, as I reported here.
The nighttime lunge to space should offer spectacular viewing. But unlike most recent SpaceX missions, the first stage will not be recovered via a pinpoint propulsive landing either on land or on a barge at sea.
Because of the satellite delivery to GTO, there are insufficient fuel reserves to carry out the booster landing.
“SpaceX will not attempt to land Falcon 9’s first stage after launch due to mission requirements,” officials said.
Therefore the first stage is not outfitted with either landing legs or grid fins to maneuver it back to a touchdown.
However, SpaceX has announced that this Falcon 9 will be the last expendable first stage.
Musk hopes to dramatically cut the cost of access to space by recovering and recycling the boosters for reuse with a new paying customer.
Indeed the SES-10 payload is already slated to fly on the first ‘flight proven’ rocket sometime in the next few weeks.
Stay tuned here for Ken’s continuing Earth and Planetary science and human spaceflight news.
SPACE VIEW PARK/KENNEDY SPACE CENTER, FL – After a pair of back to back postponements presumably due to technical gremlins, the third time proved to be the charm at last as SpaceX engineers carried out a successful engine test of the Falcon 9 first stage this evening (Mar. 9) atop historic pad 39 at the Kennedy Space Center in Florida.
The brief test lasting about 3 seconds took place at 6 p.m. this evening, with an exciting eruption of smoke and ash into the air during the serene waning sunlight as I witnessed from Space View Park in Titusville, FL – which is a great place to watch launches from, offering an unobstructed view across the inland waterway.
Liftoff of the Falcon 9 carrying the EchoStar 23 telecommunications satellite is now slated for a post midnight spectacle next Tuesday, Mar. 14 from pad 39A at the opening of the launch window at 1:34 a.m. EDT.
The two and a half hour launch window closes at 4:04 a.m. EDT.
The delayed completion of the static fire test resulted in a two day launch slip from March 12 to March 14 in order to complete all the prelaunch processing.
“Following today’s static fire test, SpaceX is targeting the launch of the EchoStar XXIII satellite from Launch Complex 39A (LC-39A) at Kennedy Space Center in Florida on Tuesday, Mar. 14, SpaceX confirmed in a statement soon after completion of the test.
“SpaceX’s Falcon 9 rocket will deliver the satellite to a Geostationary Transfer Orbit (GTO).”
The EchoStar 23 launch counts as only the second Falcon 9 ever to blastoff from pad 39A- which SpaceX’s billionaire CEO Elon Musk leased from NASA back in April 2014.
The nighttime lunge to space should offer spectacular viewing. But unlike most recent SpaceX missions, this Falcon will be the last expendable first stage. It is not outfitted with landing legs or grid fins to maneuver it back to a touchdown.
Watch this video of the March 9 static fire test from colleague Jeff Seibert:
Video Caption: Falcon 9 static fire test on Pad 39A on March 9, 2017. This is the second Falcon 9 static fire test on Pad 39A in preparation for the launch of the EchoStar-23 satellite. Credit: Jeff Seibert
The planned Mar. 14 launch comes barely three weeks after the Falcon’s successful debut on Feb. 19 on the NASA contracted Dragon CRS-10 mission that delivered over 2.5 tons of cargo to the six person crew living and working aboard the International Space Station (ISS).
Launch Complex 39A was repurposed by SpaceX from launching Shuttles to Falcons. It had lain dormant for launches for nearly six years since Space Shuttle Atlantis launched on the final shuttle mission STS 135 in July 2011.
Today’s engine test was carried out absent the expensive satellite payload bolted on top, to keep it safely stored away in case of a repeat of the catastrophic Falcon 9/Amos-6 pad explosion last September at pad 40 during a similar test that destroyed both the rocket and payload and caused extensive damage to the pad infrastructure.
If all goes well, the EchoStar 23 launch will showcase that SpaceX is picking up the pace of space launches and recovering from the Amos-6 disaster.
During today’s static fire test, the rocket’s first and second stages are fueled with liquid oxygen and RP-1 propellants like an actual launch and a simulated countdown is carried out to the point of a brief engine ignition.
The hot fire test generated a huge plume of smoke exhausting out the north side of the flame trench of Launch Complex 39A at approximately 6:00 p.m. EST, Mar. 9. at the opening of a 6 hour long test window.
The hold down engine test with the erected rocket involved the ignition of all nine Merlin 1D first stage engines generating some 1.7 million pounds of thrust at pad 39A – which has been repurposed from its days as a shuttle launch pad.
The Merlin 1D engines fired for about 3 seconds while the two stage rocket was restrained on the pad.
The smoke cloud soon dissipated and within 5 minutes there was barely a trace of what we shall soon see next Tuesday – if all goes well with launch processing and the ever changing sunshine state weather.
Titusville offers a prime viewing location for anyone interested in traveling to the Florida Space Coast to see this Falcon 9 launch in person.
The static fire test is routinely carried out by SpaceX and confirms that both the first stage engines and the rocket are suited for liftoff.
The rocket – minus the EchoStar 23 payload – had been rolled out of the SpaceX processing hangar at the perimeter fence several days ago and then up the incline to the top of pad 39A using a newly built dedicated transporter-erector.
With the successful completion of the static fire test, the booster will be rolled back to the big processing hangar and EchoStar 23 encapsulated inside the payload fairing will be integrated on top.
Stay tuned here for Ken’s continuing Earth and Planetary science and human spaceflight news.
Learn more about SpaceX EchoStar 23 and CRS-10 launch to ISS, ULA SBIRS GEO 3 launch, EchoStar launch GOES-R launch, Heroes and Legends at KSCVC, OSIRIS-REx, InSight Mars lander, ULA, SpaceX and Orbital ATK missions, Juno at Jupiter, SpaceX AMOS-6, ISS, ULA Atlas and Delta rockets, Orbital ATK Cygnus, Boeing, Space Taxis, Mars rovers, Orion, SLS, Antares, NASA missions and more at Ken’s upcoming outreach events at Kennedy Space Center Quality Inn, Titusville, FL:
Mar 10, 11, 13-15: “SpaceX EchoStar 23, CRS-10 launch to ISS, ULA Atlas SBIRS GEO 3 launch, EchoStar 19 comsat launch, GOES-R weather satellite launch, OSIRIS-Rex, SpaceX and Orbital ATK missions to the ISS, Juno at Jupiter, ULA Delta 4 Heavy spy satellite, SLS, Orion, Commercial crew, Curiosity explores Mars, Pluto and more,” Kennedy Space Center Quality Inn, Titusville, FL, evenings
KENNEDY SPACE CENTER, FL – After a six year lull NASA’s historic pad 39A roared back to business this morning with the dramatic maiden blastoff of a SpaceX Falcon 9 rocket, on a critical cargo delivery mission for NASA to the space station – while simultaneously landing the first stage back on the ground at the Cape on a secondary mission aimed at one day propelling humans to Mars.
The era of undesired idleness for America’s most famous launch pad was broken at last by the rumbling thunder of a SpaceX Falcon 9 that ignited at 9:38 a.m. EST Sunday morning, Feb 19, at Launch Complex 39A at NASA’s Kennedy Space Center.
The storied liftoff took place under heavily overcast skies with rain showers nearby under seemingly improbable weather conditions.
After liftoff, the rocket disappeared within seconds and never really reappeared in the local area until the final moments of the descent of the first stage – which nailed a nearly perfect dead center touchdown at Landing Zone 1 at the Cape some 9 minutes after launch.
Nevertheless the Falcon 9 launch was a smashing success and probably the loudest I have ever witnessed since the shuttle era ended. Watching from atop the roof of the iconic VAB, I can report the building did experience some rather exciting rattling!
And it was SpaceX’s first daylight booster landing back at the Cape. The two earleir touchdowns were at night – most recently for the CRS-9 mission last summer in July 2016.
The goal of the mission was aimed at launching the SpaceX Dragon cargo freighter to deliver over 5500 pounds of science and supplies to the orbiting science outpost on the CRS-10 mission.
The Dragon spacecraft was successfully delivered in Earth orbit and is on course for the International Space Station (ISS) on the CRS-10 mission.
As a secondary side goal, SpaceX successfully carried out a propulsive soft landing of the 156 foot tall first stage of the Falcon 9 rocket on land at Cape Canaveral Air Force Station’s Landing Zone 1 (LZ-1), located about 9 miles south of KSC launch complex 39A.
The touchdown, like the launch was completely obscured until the final moments of the descent, when it suddenly and magnificently reappeared as a strange pale colored cylinder emitting a long yellow flame after dropping below the low hanging clouds.
The booster successfully accomplished a propulsive upright soft landing at Landing Zone-1 (LZ-1) accompanied by multiple sonic booms at Cape Canaveral Air Force Station, Florida, about 9 minutes after launch.
This was the 8th first stage booster that SpaceX has successfully recovered either by land or on a tiny droneship at sea over the past year.
The goal is to refurbish and recycle the 156 foot tall first stage boosters for relaunch with a new payload.
SpaceX CEO billionaire Elon Musk hopes that by reusing the spent booster, he can drastically cut the cost of access to space and that will one day lead to human colonies and a “City on Mars.”
The dream of Bob Cabana, former astronaut and now Center Director at the Kennedy Space Center NASA’s, to turn KSC into a multiuser spaceport open to utilization by government, industry and entrepreneurs like SpaceX’s billionaire CEO Elon Musk is finally coming to fruition in a blaze of glory.
“I’m so proud of this team for all the dedication and hard work,” said Cabana.
Today’s launch counts as the first commercial launch from Kennedy’s historic pad.
The storied pad initially sent NASA astronauts to the Moon soon after the dawn of the Space Age during the Apollo/Saturn era and was then significantly overhauled to serve as the on ramp for NASA space shuttles for another three decades.
SpaceX has now transformed pad 39A for launches of the Falcon 9. A bright future lies ahead with launches of the heavy lift Falcon Heavy later this year and a renewal of manned launches of astronauts some time in 2018.
Dragon is carrying more than 5500 pounds of equipment, gear, food, crew supplies, hardware and NASA’s Stratospheric Aerosol Gas Experiment III (SAGE III) ozone mapping science payload in support of the Expedition 50 and 51 crew members.
SAGE III will measure stratospheric ozone, aerosols, and other trace gases by locking onto the sun or moon and scanning a thin profile of the atmosphere.
The LIS lightning mapper will measure lightning from the altitude of the ISS. NASA’s RAVEN experiment will test autonomous docking technologies for spacecraft.
The research supplies and equipment brought up by Dragon will support over 250 scientific investigations to advance knowledge about the medical, psychological and biomedical challenges astronauts face during long-duration spaceflight.
As of today we are at last launching rockets again from the Kennedy Space Center – thanks to SpaceX and the Falcon 9. What a tremendous return to space !
Watch for Ken’s onsite CRS-10 mission reports direct from the Kennedy Space Center and Cape Canaveral Air Force Station, Florida.
Stay tuned here for Ken’s continuing Earth and Planetary science and human spaceflight news.
Learn more about SpaceX CRS-10 launch to ISS, ULA SBIRS GEO 3 launch, EchoStar launch GOES-R launch, Heroes and Legends at KSCVC, OSIRIS-REx, InSight Mars lander, ULA, SpaceX and Orbital ATK missions, Juno at Jupiter, SpaceX AMOS-6, ISS, ULA Atlas and Delta rockets, Orbital ATK Cygnus, Boeing, Space Taxis, Mars rovers, Orion, SLS, Antares, NASA missions and more at Ken’s upcoming outreach events at Kennedy Space Center Quality Inn, Titusville, FL:
Feb 18 – 19: “SpaceX CRS-10 launch to ISS, ULA Atlas SBIRS GEO 3 launch, EchoStar 19 comsat launch, GOES-R weather satellite launch, OSIRIS-Rex, SpaceX and Orbital ATK missions to the ISS, Juno at Jupiter, ULA Delta 4 Heavy spy satellite, SLS, Orion, Commercial crew, Curiosity explores Mars, Pluto and more,” Kennedy Space Center Quality Inn, Titusville, FL, evenings