 |
| 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 | July 22, 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 Cancelled Shuttle missions | |
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.