Flight
- Date and time (UTC)
- October 6, 1981, 11:27
- Launch designation
- 1981-100
- Mission
- Solar Mesosphere Explore
- Flight name
- SME
- Vehicle flight ID
- 639/D157
- Year
- Launches in 1981
Orbit and payload
- Initial apogee
- 2,750 km
- Payload mass to orbit
- 0.489 t
- Payloads
- 2
- GCAT launch code
- OS
Payloads
| Payload | Designation | Owner | Mission type | Mass | Fate |
|---|---|---|---|---|---|
| Solar Mesosphere Explorer | 1981-100ANORAD 12887 | Jet Propulsion Lab | Earth science | 437 kg | Reentered (orbital decay) · Mar 5, 1991 |
| UoSAT-OSCAR-9 | 1981-100BNORAD 12888 | University of Surrey Dept. of Electronic and Electrical Eng. | Communications | 52 kg | Reentered (orbital decay) · Oct 13, 1989 |
Source: GCAT launch list and payload catalogs, Jonathan C. McDowell (CC BY 4.0). Orbit values are the initial orbit reported for the launch.