RocketSpace Shuttle
SpaceportCape Canaveral & Kennedypad LC39A
OutcomeSuccess
Launch agencyNASA JSCUnited States
Flight
- Date and time (UTC)
- January 24, 1985, 19:50
- Launch designation
- 1985-010
- Mission
- OV-103 IUS deploy
- Flight name
- USA 8 (ORION 1)
- Vehicle flight ID
- STS-20/51-C
- Year
- Launches in 1985
Orbit and payload
- Initial apogee
- 36,717 km
- Payload mass to orbit
- 117.5 t
- Payloads
- 2
- GCAT launch code
- OS
Payloads
| Payload | Designation | Owner | Mission type | Mass | Fate |
|---|---|---|---|---|---|
| Discovery (STS 51-C) | 1985-010ANORAD 15496 | NASA Johnson Space Flight Center | Human spaceflight | 90.9 t | Landed · Jan 27, 1985 |
| USA 8 | 1985-010BNORAD 15543 | National Reconnaissance Office | Signals intelligence | 2,715 kg | In orbit |
Source: GCAT launch list and payload catalogs, Jonathan C. McDowell (CC BY 4.0). Orbit values are the initial orbit reported for the launch.