Spas 2 |
USA |
| Designation | 21244 / 91031B |
| Launch date | 28 Apr 1991 |
| Launch site | KSC, LC-39A |
| Launch vehicle | Shuttle STS-39 |
| Mission | Scientific |
| Earth orbit: | |
| Perigee/Apogee | 245/255 km |
| Inclination | 57° |
| Period | 89.5 min |
| Cause | Retrieved by the Shuttle |
| Decay | 06 May 1991 |