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Spacecraft information: USA 61
Launch Details
| Launched | 7 June 1990 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 20691 |
| COSPAR ID | 1990-050C |
| Observing |
Current orbital elements
| Inclination | 63.294° |
| Eccentricity | 0.08830 |
| RA ascending node | 7.853 hr |
| Argument perigee | 83.253° |
| Mean anomaly | 286.807° |
| Orbital period | 105.729 min |
| Epoch of osculation | 10 Mar 2026, 12:51 |
Derived Quantities
| Min Altitude | 381.7 km |
| Mean Altitude | 1035.7 km |
| Peak Altitude | 1689.7 km |
Launched alongside
USA 59 TITAN 4 R/B USA 60 USA 62 USA 59 DEB USA 59 DEB USA 59 DEB USA 60 DEB USA 59-62 DEB USA 59-62 DEBOrbital History
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