| Names | Space Transportation System | 
|---|---|
| Mission type | TDRS-D satellite deployment (planned) | 
| Operator | NASA | 
| Spacecraft properties | |
| Spacecraft | Space Shuttle Challenger (planned) | 
| Crew | |
| Crew size | 6 | 
| Members | Loren J. Shriver Bryan D. O'Connor Mark C. Lee Sally K. Ride William Frederick Fisher Robert Wood | 
| Start of mission | |
| Launch date | 22 July 1986 (planned) Not launched | 
| Rocket | Space Shuttle Challenger | 
| Launch site | Kennedy Space Center, LC-39A | 
| Contractor | Rockwell International | 
| Orbital parameters | |
| Reference system | Geocentric orbit (planned) | 
| Regime | Low Earth orbit | 
| Perigee altitude | 285 km (177 mi) | 
| Apogee altitude | 295 km (183 mi) | 
| Inclination | 28.45° | 
| Period | 90.40 minutes | 
|  Space Shuttle patch | |
STS-61-M was a proposed NASA Space Shuttle program mission, planned for July 1986 but canceled following the Space Shuttle Challenger disaster (STS-51-L).
Payload was to have been TDRS-D of the U.S. tracking and data relay satellite (TDRS) satellites.
Primary Crew
| Position | Astronaut | |
|---|---|---|
| Commander | Loren J. Shriver Would have been second spaceflight | |
| Pilot | Bryan D. O'Connor Would have been second spaceflight | |
| Mission Specialist 1 | Mark C. Lee Would have been first spaceflight | |
| Mission Specialist 2 | Sally K. Ride Would have been third spaceflight | |
| Mission Specialist 3 | William F. Fisher Would have been second spaceflight | |
| Payload Specialist 1 | Robert Wood Would have been first spaceflight | |
Backup Crew
| Position | Astronaut | |
|---|---|---|
| Payload Specialist 1 | Charles D. Walker Would have been fourth spaceflight | |
See also
References
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