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 | 28.657° |
| Eccentricity | 0.08154 |
| RA ascending node | 18.385 hr |
| Argument perigee | 112.243° |
| Mean anomaly | 256.659° |
| Orbital period | 106.894 min |
| Epoch of osculation | 12 Dec 2025, 05:08 |
Derived Quantities
| Min Altitude | 481.6 km |
| Mean Altitude | 1090.0 km |
| Peak Altitude | 1698.3 km |
Orbital History
Drag the graphs below left or right to change the time range, or use your scroll wheel to zoom in or out.