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Spacecraft information: SPACENET 4
Launch Details
| Launched | 12 April 1991 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 21227 |
| COSPAR ID | 1991-028A |
| Alternative names |
ASC 2 |
| Observing |
Current orbital elements
| Inclination | 13.676° |
| Eccentricity | 0.00080 |
| RA ascending node | 0.970 hr |
| Argument perigee | 310.944° |
| Mean anomaly | 223.721° |
| Orbital period | 1446.322 min |
| Epoch of osculation | 14 Mar 2026, 19:12 |
Derived Quantities
| Min Altitude | 35959.8 km |
| Mean Altitude | 35993.6 km |
| Peak Altitude | 36027.5 km |
Orbital History
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