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Title: Sts-61-h  
Author: World Heritage Encyclopedia
Language: English
Subject: Pratiwi Sudarmono, STS-61-G, STS-52, STS-73, STS-75
Collection: Cancelled Space Shuttle Missions
Publisher: World Heritage Encyclopedia


Mission type Satellite deployment
Mission duration 7 days, 7 hours, 51 minutes, 51 seconds
Spacecraft properties
Spacecraft Space Shuttle Columbia
Crew size 7
Members Michael L. Coats
John Blaha
Robert C. Springer
Anna L. Fisher
James F. Buchli
Pratiwi Sudarmono
Nigel R. Wood
Start of mission
Launch date 24 June 1986, 13:09:00 (1986-06-24T13:09Z) UTC
Launch site Kennedy LC-39B
End of mission
Landing date Did not recognize date. Try slightly modifying the date in the first parameter. UTC
Landing site Kennedy Runway 15
Orbital parameters
Inclination 28.5 degrees

Space Shuttle program
← STS-61-G STS-62-A

STS-61-H was a United States Space Shuttle mission planned to launch on June 24, 1986 using Columbia. However, it was cancelled after the Challenger disaster.


  • Crew 1
    • Backup crew 1.1
  • Crew notes 2
  • Mission objectives 3
  • See also 4
  • External links 5


Position Astronaut
Commander Michael L. Coats
Second spaceflight
Pilot John E. Blaha
First spaceflight
Mission Specialist 1 Robert C. Springer
First spaceflight
Mission Specialist 2 Anna L. Fisher
Second spaceflight
Mission Specialist 3 James F. Buchli
Third spaceflight
Payload Specialist 1 Pratiwi Sudarmono
First spaceflight
Payload Specialist 2 Nigel R. Wood
First spaceflight

Backup crew

Position Astronaut
Payload Specialist 1 Taufik Akbar
First spaceflight
Payload Specialist 2 Richard Farrimond
First spaceflight

Crew notes

Before James Buchli was assigned to STS-61-H, Norman Thagard was the potential Mission Specialist 3 for this flight.

Mission objectives

The main task of the mission was to bring three commercial satellites into orbit – Skynet 4A, Palapa B3 and Westar 6S. The British Skynet and the Indonesian Palapa were supposed to be accompanied by an astronaut from the two countries.

After the Challenger disaster the deployment of commercial satellites by the Space Shuttle was stopped, also for several years no international astronauts were nominated anymore. Thus neither the British nor the Indonesian payload specialists got a second chance for a spaceflight. The NASA crew however stayed together and participated in a 56-hour-long simulated mission known as STS-61-MT in 1986. The crew finally flew on STS-29, with Anna Fisher being replaced by James Bagian.

Skynet 4A was launched on 1 January 1990 with a Titan III, Westar 6S was renamed Galaxy 6 and launched on 12 October 1992 by an Ariane 44L. Palapa B3 was renamed to Palapa B2P and was launched on 20 March 1987 with a Delta-3920.

See also

External links

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