Launch data:
| Designation | 85021A |
| Launch date | 12 Mar 1985 |
| Launch site | Va, SLC-3W |
| Launch vehicle | Atlas-E OIS |
| Mission | |
| Earth orbit: | |
| Perigee / Apogee | km |
| Eccentricity | |
| Inclination | ° |
| Period | min |
Geosat |
USA |
Spacecraft n°: |
USA satellite n°: |
Launch data:
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| Prime contractor | |
| Operator | |
| Platform | |
| Mass at launch | kg |
| Dry Mass | kg |
| Basic shape | |
| Dimension (m) | |
| Solar array | |
| Stabilization | |
| DC power | |
| Design lifetime |