Browse satellite catalog
|
Map of low-earth satellites
|
Satellites above your horizon
|
3D map of low-earth satellites
Spacecraft information: USA 74
Launch Details
| Launched | 7 November 1991 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 21799 |
| COSPAR ID | 1991-076C |
| Observing |
Current orbital elements
| Inclination | 63.297° |
| Eccentricity | 0.08852 |
| RA ascending node | 3.310 hr |
| Argument perigee | 71.312° |
| Mean anomaly | 298.183° |
| Orbital period | 105.860 min |
| Epoch of osculation | 10 Mar 2026, 08:39 |
Derived Quantities
| Min Altitude | 385.6 km |
| Mean Altitude | 1041.8 km |
| Peak Altitude | 1697.9 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.