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Mars Base

Satellite Left Stranded by SpaceX Rocket Falls From Space | Space.com - 0 views

www.space.com/ded-satellite-falls-space.html

scibyte67 Orbcomm

shared by Mars Base on 13 Oct 12 - No Cached
  • Orbcomm
  • satellite, launched Oct. 7 into a bad orbit by a Space Exploration Technologies Corp. (SpaceX) Falcon 9 rocket
  • provided enough data to proceed with the launch of the full constellation starting next year.
  • ...12 more annotations...
  • In its statement, Orbcomm suggested that i
  • had enough access to the satellite in less than four days in orbit to validate the performance of its major subsystems.
  • Orbcomm said that, had its satellite been the primary payload on SpaceX’s Oct. 7 flight, the mission would have been a success
  • OG2 satellite bus systems including power, attitude control, thermal and data handling were also tested to verify proper operation
  • The solar array and communications antenna deployments were successful
  • Orbcomm requested that SpaceX carry one of their small satellites
  • few hundred pounds, vs. Dragon at over 12,000 pounds
  • on this flight so that they could gather test data before we launch their full constellation next year.
  • The higher the orbit, the more test data they can gather, so they requested that we attempt to restart and raise altitude
  • NASA agreed to allow that, but only on condition that there be substantial propellant reserves, since the orbit would be close to the space station
  • Orbcomm understood from the beginning that the orbit-raising maneuver was tentative
  • They accepted that there was a high risk of their satellite remaining at the Dragon insertion orbit.
Mars Base

SpaceX Launches Six Commercial Satellites on Falcon 9; Landing Test Ends in "Kaboom" - 0 views

www.universetoday.com/...-9-landing-test-ends-in-kaboom

scibyte136 SpaceX

shared by Mars Base on 15 Jul 14 - No Cached
  • SpaceX successfully launched six ORBCOMM advanced telecommunications satellites into orbit on Monday, July 14, to significantly upgrade the speed and capacity of their existing data relay network.
  • SpaceX also used this launch opportunity to try and test the reusability of the Falcon 9′s first stage and its landing system while splashing down in the ocean
  • However, the booster did not survive the splashdown. SpaceX CEO Elon Musk reported that the rocket booster reentry, landing burn and leg deployment worked well, the hull of the first stage “lost integrity right after splashdown
  • ...5 more annotations...
  • Musk tweeted. “Detailed review of rocket telemetry needed to tell if due to initial splashdown or subsequent tip over and body slam.”
  • SpaceX wanted to test the “flyback” ability to the rocket, slowing down the descent of the rocket with thrusters and deploying the landing legs for future launches so the first stage can be re-used
  • The previous test of the landing system was successful, but the choppy seas destroyed the stage and prevented recovery
  • the six satellites launched
  • are the first part of what the company hopes will be a 17-satellite constellation. They hope to have all 17 satellites in orbit by the end of the 2014
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