Spacecraft information: TITAN 34B R/B
| Launched | 11 February 1987 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 17507 |
| COSPAR ID | 1987-015B |
| Observing |
Current orbital elements
| Inclination | 63.040° |
| Eccentricity | 0.70984 |
| RA ascending node | 9.050 hr |
| Argument perigee | 265.327° |
| Mean anomaly | 17.913° |
| Orbital period | 702.432 min |
| Epoch of osculation | 22 Dec 2025, 09:31 |
Derived Quantities
| Min Altitude | 1224.1 km |
| Mean Altitude | 19804.6 km |
| Peak Altitude | 38385.1 km |
Launched alongside
USA 21Orbital History
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