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Spacecraft information: OPS 7350
Launch Details
| Launched | 15 March 1981 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 12339 |
| COSPAR ID | 1981-025A |
| Alternative names |
DSP 9 |
| Observing |
Current orbital elements
| Inclination | 8.496° |
| Eccentricity | 0.00209 |
| RA ascending node | 20.419 hr |
| Argument perigee | 289.842° |
| Mean anomaly | 322.251° |
| Orbital period | 1457.091 min |
| Epoch of osculation | 12 Dec 2025, 00:33 |
Derived Quantities
| Min Altitude | 36114.6 km |
| Mean Altitude | 36203.7 km |
| Peak Altitude | 36292.8 km |
Orbital History
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