Spacecraft information: OPS 6431
| Launched | 29 April 1976 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 8818 |
| COSPAR ID | 1976-038A |
| Observing |
Current orbital elements
| Inclination | 63.355° |
| Eccentricity | 0.03782 |
| RA ascending node | 15.932 hr |
| Argument perigee | 180.101° |
| Mean anomaly | 180.003° |
| Orbital period | 103.481 min |
| Epoch of osculation | 12 Dec 2025, 01:37 |
Derived Quantities
| Min Altitude | 654.1 km |
| Mean Altitude | 930.3 km |
| Peak Altitude | 1206.4 km |
Launched alongside
ATLAS R/B SSU 1 SSU 2 OPS 6431 DEB OPS 6431 DEB OPS 6431 DEB OPS 6431 DEB SSU 3 OPS 6431 DEB OPS 6431 DEBOrbital History
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