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 | 89.849° |
| Eccentricity | 0.01538 |
| RA ascending node | 17.178 hr |
| Argument perigee | 213.907° |
| Mean anomaly | 145.219° |
| Orbital period | 105.005 min |
| Epoch of osculation | 30 Jun 2025, 04:56 |
Derived Quantities
| Min Altitude | 888.4 km |
| Mean Altitude | 1001.8 km |
| Peak Altitude | 1115.2 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.