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Raumfahrt-History - 1985 Space-Shuttle STS-51F Challenger Mission

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STS-51F
 
 
Mission: Spacelab-2
Space Shuttle: Challenger
Launch Pad: 39A 
Launch Weight: 252,855 pounds
Launched: July 29, 1985 at 5:00:00 p.m. EDT
Landing Site: Edwards Air Force Base, Calif.
Landing: August 6, 1985 at 12:45:26 p.m. PDT
Landing Weight: 204,169 pounds
Runway: 23 
Rollout Distance: 8,569 feet
Rollout Time: 55 seconds
Revolution: 127
Mission Duration: 7 days, 22 hours, 45 minutes, 26 seconds
Returned to KSC: August 11, 1985
Orbit Altitude: 173 nautical miles
Orbit Inclination: 49.5 degrees
Miles Traveled: 3.3 million 

Crew Members

                   STS-51F Crew Photo

Image above: STS-51F Crew photo with Commander Gordon Fullerton, Pilot Roy D. Bridges, Jr., Mission Specialists F. Story MusgraveAnthony W. EnglandKarl G. Henize and Payload Specialists Loren W. Acton and John-David F. Bartoe. Image Credit: NASA 

Mission Objectives

STS-51F Mission PatchThe Spacelab-2 payload consisted of an igloo and three pallets in the payload bay, containing scientific instruments dedicated to life sciences, plasma physics, astronomy, high-energy astrophysics, solar physics, atmospheric physics and technology research.

A major objective of the mission was to verify the performance of the Spacelab systems with the orbiter as well as to measure the environment created by the vehicle in space.

Launch Highlights

The launch countdown July 12 halted at T-3 seconds after main engine ignition when a malfunction of the number two space shuttle main engine (SSME) coolant valve caused a shutdown of all three main engines. The launch on July 29 was delayed 1 hour, 37 minutes due to a problem with the table maintenance block update uplink. 5 minutes, 45 seconds into ascent, the number one main engine shutdown prematurely, resulting in an Abort To Orbit (ATO) trajectory.

Mission Highlights

Primary payload was Spacelab-2. Despite abort-to-orbit, which required mission replanning, mission declared success. Special part of modular Spacelab system, the Igloo, located at head of three-pallet train, provided on-site support to instruments mounted on pallets. Main mission objective was to verify performance of Spacelab systems and determine interface capability of orbiter, and measure environment induced by spacecraft. Experiments covered life sciences, plasma physics, astronomy, high-energy astrophysics, solar physics, atmospheric physics and technology research.
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The crew assigned to the STS-51F mission included (kneeling left to right) Gordon Fullerton, commander; and Roy D. Bridges, pilot. Standing, left to right, are mission specialists Anthony W. England, Karl G. Henize, and F. Story Musgrave; and payload specialists Loren W. Acton, and John-David F. Bartoe. Launched aboard the Space Shuttle Challenger on July 29, 1985 at 5:00:00 pm (EDT), the STS-51F mission's primary payload was the Spacelab-2.
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Frams von STS-51F Challenger Mission NASA-Video:
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Quelle: NASA
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