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NAVSTAR 1
Launch Details
| Launched | 21 February 1978 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 10684 |
| COSPAR ID | 1978-020A |
| Alternative names |
OPS 5111 GPS BI-01 SVN 01 |
| Observing |
Current orbital elements
| Inclination | 64.145° |
| Eccentricity | 0.00806 |
| RA ascending node | 4.047 hr |
| Argument perigee | 217.214° |
| Mean anomaly | 142.246° |
| Orbital period | 727.009 min |
| Epoch of osculation | 10 Sep 2025, 17:28 |
Derived Quantities
| Min Altitude | 20195.7 km |
| Mean Altitude | 20411.6 km |
| Peak Altitude | 20627.5 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.
Launched alongside
ATLAS F R/B