Spacecraft information: DELTA 1 R/B(1)
| Launched | 14 December 1977 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 10517 |
| COSPAR ID | 1977-118B |
| Observing |
Current orbital elements
| Inclination | 28.662° |
| Eccentricity | 0.08147 |
| RA ascending node | 0.569 hr |
| Argument perigee | 186.006° |
| Mean anomaly | 173.018° |
| Orbital period | 106.883 min |
| Epoch of osculation | 02 Feb 2026, 07:19 |
Derived Quantities
| Min Altitude | 481.6 km |
| Mean Altitude | 1089.5 km |
| Peak Altitude | 1697.3 km |
Orbital History
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