Author Topic: SpaceX Sets Table for Thanksgiving Rocket Launch Today: Watch It Live  (Read 905 times)

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Offline Buster's Uncle

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SpaceX Sets Table for Thanksgiving Rocket Launch Today: Watch It Live
SPACE.com
By Tariq Malik, Managing Editor  8 hours ago






The private spaceflight company SpaceX will celebrate the Thanksgiving holiday with a rocket launch from Florida today (Nov. 28) after a two-day delay due to a technical glitch.

SpaceX's upgraded Falcon 9 rocket is now set to blast off from the Cape Canaveral Air Force Station during a 65-minute launch window that opens at 5:39 p.m. EST (0039 Nov. 29 GMT).  The mission will mark a series of firsts for SpaceX, including the company's first launch of its upgraded Falcon 9 rocket from Florida, its first launch of a huge commercial satellite and its first launch into a high geostationary transfer orbit needed for commercial satellites.

SpaceX is expected to begin its launch webcast at 5 p.m. EST (0000 Nov. 26 GMT). SPACE.com will carry SpaceX launch webcast live here. You can also follow it directly at: http://www.spacex.com/webcast/

"Happy #Spacegiving!" SpaceX officials wrote in a Twitter post announcing today's launch target.

Today's Falcon 9 launch will loft the SES-8 communications satellite for satellite communications provider SES World Skies. SpaceX initially attempted to launch the SES-8 satellite on Monday (Nov. 25), but unexpected readings in the liquid oxygen system on the rocket's first stage prompted a delay.

"Saw pressure fluctuations on Falcon boost stage liquid oxygen tank," SpaceX CEO and founder Elon Musk wrote in a Twitter update. "Want to be super careful, so pushing launch to Thurs."



SpaceX's Falcon 9 rocket standing on the launch pad at Florida's Cape Canaveral Air Force Station


Much is riding on SpaceX's launch today, in addition to the 6,918-lb. (3,138 kilograms) SES-8 satellite.

The mission is SpaceX's first entry into commercial satellite industry with the Falcon 9 rocket. The Hawthorne, Calif.-based company has launched six Falcon 9 rockets since 2010, but those missions were either test flights or missions for NASA or the Canadian Space Agency. SpaceX officials have often said that spaceflight is inherently risky, and if their missions don't go as planned the company will learn from them and try again.

SpaceX has a $1.6 billion deal with NASA to fly at least 12 commercial cargo missions to the International Space Station using its two-stage Falcon 9 rockets and unmanned Dragon space capsules. The company has flown two of those missions so far. On Sept. 29, SpaceX launched the Canadian Space Agency's CASSIOPE space weather tracking satellite during a test flight of its upgraded Falcon 9 rocket, known as the Falcon 9 v1.1.

The enhanced Falcon 9 features a circular "Octaweb" arrangement of its nine first-stage rocket engines. The engines themselves are new SpaceX-built Merlin 1D engines that boast better performance. The Falcon 9 is also topped with a 17-foot (5.1 meters) payload fairing that is large enough to fit a bus inside, as well as triple redundant avionics and a heat shield for the first stage as part of SpaceX's reusable rocket project.

SpaceX's Falcon 9 rocket launch is not the only cosmic event this Thanksgiving. Astronauts on the International Space Station are celebrating Thanksgiving in space with the Comet ISON today. The astronauts will try to photograph the comet along with NASA and scientists around the world as ISON swings close by the sun today.

NASA will hold a webcast at 1 p.m. EST (1800 GMT) to provide live satellite views and updates on Comet ISON's solar passage. You can watch the Comet ISON webcast live on SPACE.com, courtesy of NASA TV.

Visit SPACE.com for updates on the SpaceX next-generation Falcon 9 rocket launch. SPACE.com partner Spaceflight Now is also offering updates via its SpaceX Mission Status Center, which will also include a launch webcast.


http://news.yahoo.com/spacex-sets-table-thanksgiving-rocket-launch-today-watch-135226508.html

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SpaceX's Thanksgiving rocket launch aborted at last second
« Reply #1 on: November 28, 2013, 11:24:52 pm »
SpaceX's Thanksgiving rocket launch aborted at last second
By Katie Drummond on November 28, 2013 05:08 pm



Having originally been scheduled to celebrate Thanksgiving by taking to the stratosphere, SpaceX's launch was aborted at the last moment today. The Falcon 9 rocket had been scheduled to take off from Florida's Cape Canaveral Air Force Station sometime during a 65-minute launch window starting at 5:39 PM ET.
 
The aborted launch was initially set to occur earlier this week, but SpaceX missed its last launch window due to a technical glitch. "Saw pressure fluctuations on Falcon boost stage liquid oxygen tank," SpaceX CEO and founder Elon Musk wrote on Twitter at the time. "Want to be super careful, so pushing launch to Thurs."

Had today's launch gone smoothly, it could've been a significant milestone both for SpaceX and for the commercial space transportation industry more broadly. Instead, engineers will need to figure out what went wrong before scheduling another launch. Fortunately for both SpaceX and the company's client, the payload doesn't appear to have been damaged.

SpaceX's Falcon 9 would have blasted the SES-8 communications satellite — owned by Luxembourg-based SES World Skies — into geostationary orbit. It's the first time SpaceX has launched a commercial communications satellite, and will set the stage for the company to perform subsequent launches that currently take place overseas. "This launch is obviously very important to the future of SpaceX," Musk told reporters on Sunday. "We're very appreciative that SES would place a bet on SpaceX here."

So far, the upgraded Falcon 9 (known as version 1.1 of the rocket) hasn't boasted a stellar track record. The 224-foot-tall rocket was initially tested with the launch of a Canadian weather satellite earlier this year. The Falcon 9 completed its mission, but not without failing at a key maneuver that'll be necessary for the SES-8 mission. But even as SpaceX attempts to break into the commercial satellite business, they're already keeping busy with government projects: the company has a $1.6 billion NASA contract to complete 12 cargo resupply flights.

Update: As engines were starting and the launch timer was counting down to zero, the Falcon 9 aborted liftoff and shut down its engines. Engineers haven't yet said why — it's quite likely they don't know — but the live feed's announcers say that they're poring through data retrieved from the rocket.

Update 2: SpaceX says the rocket is "safe" and that its flight computer automatically shut down the launch with about a second to go. Because it has a 65-minute launch window, engineers are looking at whether they can simply refuel and try again — otherwise they'll have another launch window available tomorrow around the same time of day. Elon Musk has tweeted that everything "Seems ok on closer inspection."

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Elon Musk        ✔   @elonmusk 
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Launch aborted by autosequence due to slower than expected thrust ramp. Seems ok on closer inspection. Cycling countdown.


5:54 PM - 28 Nov 2013
403 Retweets   137 favorites 



http://www.theverge.com/2013/11/28/5155008/spacex-falcon9-rocket-launch-first-satellite

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Last-second glitch halts SpaceX rocket launch
« Reply #2 on: November 29, 2013, 04:40:37 am »
Last-second glitch halts SpaceX rocket launch
By Irene Klotz | Reuters – 3 hrs ago



(Reuters) - The launch of an unmanned Space Exploration Technologies' Falon 9 rocket was aborted one minute before liftoff on Thursday due to an unexplained technical issue, company officials said.

It was the second attempt this week to launch a communications satellite for SES, which operates the world's second largest fleet.

An initial attempt on Monday was called off after unusual pressure readings in the rocket's liquid oxygen tank.

The company's next launch attempt is on Friday.

Perched on top of the rocket was a 7,000-pound (3,175 kg) communications satellite owned by Luxembourg-based SES S.A., which operates a 54-satellite fleet, the world's second-largest.

The satellite, known as SES-8 and worth about $100 million, will be positioned to provide television, cable, broadband and other services to customers in India, China, Vietnam and other markets in Asia.

"It's an extremely important satellite for us," Martin Halliwell, chief technology officer of SES, told reporters at a prelaunch gathering on Sunday in Cocoa Beach, Florida.

"We know that as we go forward into these very significant growth markets that it's absolutely critical that we have a cost-effective and efficient way to get to orbit. That's really what SpaceX has brought us."

Previous SES satellites were launched primarily aboard Russian Proton and European Ariane rockets, which cost far more than the approximately $55 million the company paid for its ride on SpaceX's Falcon booster, Halliwell said.

He would not say exactly how much SpaceX undercut the competition, but did say SES got a discount by agreeing to fly on Falcon 9's first mission to the high altitude that communications satellites require.

In addition to a September 29 test flight of an upgraded Falcon 9, older versions of the rocket have flown successfully five times, including three missions for NASA to deliver cargo to the International Space Station, which orbits about 250 miles above Earth.


QUARTER OF THE WAY TO THE MOON

SpaceX aims to put SES-8 into an elliptical orbit that reaches more than 50,000 miles from Earth, about a quarter of the way to the moon.

That altitude requires less fuel for SES-8 to fly itself into its 22,369-mile (36,000-km) high operational orbit, thereby extending its service life.

SpaceX hoped to demonstrate its ability to fire up the Falcon 9's upper-stage engine twice during the September test flight, but that did not work. Engineers later realized that liquid oxygen, used for chilling, had come into contact with the motor's igniter lines, causing them to freeze.

"It was not a complicated issue to fix. Obviously, we were glad we caught it on a mission where we were only demonstrating that second burn, as opposed to one where we have to get it done," SpaceX President Gwynne Shotwell told reporters during a prelaunch conference call.

The company needs three successful launches of its upgraded Falcon rocket before it will be eligible to compete to carry the U.S. military's largest and most expensive satellites, a market now monopolized by United Launch Alliance, a partnership of Boeing and Lockheed Martin.

"There's always some risk associated with the flight not working. So we're very appreciative that SES would place a bet on SpaceX," said Elon Musk, SpaceX's founder and chief executive.

SES has options for three more Falcon flights, including one on the firm's heavy-lift rocket, which is under development and expected to debut next year.

SpaceX's launch manifest includes nearly 50 other launches, worth about $4 billion. About 75 percent of the flights are for commercial customers.

"Our prices are the most competitive of any in the world," Musk said. "We will force other rocket companies to either develop new technology that's a lot better or they have to exit the launch market."

Halliwell said SpaceX competitors were "shaking in their shoes."

"There are a lot of people who hope that SpaceX is going to fail," he said. "This is really rocking the industry."

The global satellite industry had revenues of nearly $190 billion in 2012, including nearly $90 billion in television services alone, the Satellite Industry Association trade group reported in October. The U.S. share of the market is 45 percent, the report said.


http://news.yahoo.com/last-second-glitch-halts-spacex-rocket-launch-004457239--finance.html

 

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