Browse satellite catalog
|
Map of low-earth satellites
|
Satellites above your horizon
|
3D map of low-earth satellites
NNSS 20
Launch Details
| Launched | 29 October 1973 |
| Flight ended | – |
| Status | Unknown |
| Category |
Navy Navigation Satellite System (NNSS)
|
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 6909 |
| COSPAR ID | 1973-081A |
| Alternative names |
TRANSIT 20 |
| Observing |
Current orbital elements
| Inclination | 89.848° |
| Eccentricity | 0.01555 |
| RA ascending node | 17.162 hr |
| Argument perigee | 168.767° |
| Mean anomaly | 191.703° |
| Orbital period | 105.005 min |
| Epoch of osculation | 15 Jul 2025, 05:40 |
Derived Quantities
| Min Altitude | 887.2 km |
| Mean Altitude | 1001.8 km |
| Peak Altitude | 1116.5 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.