Browse satellite catalog
|
Map of low-earth satellites
|
Satellites above your horizon
|
3D map of low-earth satellites
OPS 4311
Launch Details
| Launched | 13 October 1971 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 5557 |
| COSPAR ID | 1971-087A |
| Alternative names |
DMSP 5B F1 |
| Observing |
Current orbital elements
| Inclination | 99.023° |
| Eccentricity | 0.00501 |
| RA ascending node | 23.100 hr |
| Argument perigee | 345.926° |
| Mean anomaly | 14.052° |
| Orbital period | 100.817 min |
| Epoch of osculation | 15 Sep 2025, 04:58 |
Derived Quantities
| Min Altitude | 768.5 km |
| Mean Altitude | 804.4 km |
| Peak Altitude | 840.4 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.
Launched alongside
THOR BURNER 2 R/B