STS-61-M

STS-61-M

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 Space Shuttle program 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.

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

• Canceled Space Shuttle missions
• STS-144
• STS-61-H