Launch data:
| Designation | 12887 / 81100A |
| Launch date | 06 Oct 1981 |
| Launch site | Va, SLC-2W |
| Launch vehicle | Delta-2310 (#157) |
| Mission | Scientific: high atmosphere study |
| Earth orbit: | |
| Perigee/Apogee | 335/337 km |
| Inclination | 97.6° |
| Period | 91.3 min |
| Mass at launch | 437 kg |
