STS-51-C
STS-51-C (formerly STS-10) was the 15th flight of NASA's Space Shuttle program, and the third flight of Space Shuttle Discovery. It launched on January 24, 1985, and made the fourth shuttle landing at Kennedy Space Center, Florida, on January 27, 1985. STS-51-C was the first shuttle mission to deploy a dedicated United States Department of Defense (DoD) payload, and consequently many mission details remain classified.
Discovery in orbit; in-flight photography of the Department of Defense support mission is limited. | |
| Names | Space Transportation System-15 |
|---|---|
| Mission type | SIGINT satellite deployment |
| Operator | NASA, U.S. Department of Defense |
| COSPAR ID | 1985-010A |
| SATCAT no. | 15496 |
| Mission duration | 3 days, 1 hour, 33 minutes, 23 seconds (achieved) |
| Distance travelled | 2,010,000 km (1,250,000 mi) |
| Orbits completed | 49 |
| Spacecraft properties | |
| Spacecraft | Space Shuttle Discovery |
| Launch mass | 113,802 kg (250,890 lb) |
| Landing mass | (Classified) |
| Payload mass | (Classified) |
| Crew | |
| Crew size | 5 |
| Members | |
| Start of mission | |
| Launch date | January 24, 1985, 19:50:00 UTC |
| Rocket | Space Shuttle Discovery |
| Launch site | Kennedy Space Center, LC-39A |
| Contractor | Rockwell International |
| End of mission | |
| Landing date | January 27, 1985, 21:23:23 UTC |
| Landing site | Kennedy Space Center, SLF Runway 15 |
| Orbital parameters | |
| Reference system | Geocentric orbit |
| Regime | Low Earth orbit |
| Perigee altitude | 332 km (206 mi) |
| Apogee altitude | 341 km (212 mi) |
| Inclination | 28.45° |
| Period | 91.30 minutes |
STS-51-C mission patch Back row: Gary E. Payton, James F. Buchli, Ellison S. Onizuka Front row: Loren J. Shriver, Thomas K. Mattingly II | |
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