Spacecraft information: DELTA 2 R/B
| Launched | 12 April 1991 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 21228 |
| COSPAR ID | 1991-028B |
| Observing |
Current orbital elements
| Inclination | 23.996° |
| Eccentricity | 0.11338 |
| RA ascending node | 18.492 hr |
| Argument perigee | 193.055° |
| Mean anomaly | 163.802° |
| Orbital period | 114.698 min |
| Epoch of osculation | 12 Dec 2025, 03:56 |
Derived Quantities
| Min Altitude | 562.2 km |
| Mean Altitude | 1448.8 km |
| Peak Altitude | 2335.5 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.