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VANGUARD R/B
Launch Details
| Launched | 16 February 1959 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 12 |
| COSPAR ID | 1959-001B |
| Observing |
Current orbital elements
| Inclination | 32.907° |
| Eccentricity | 0.16480 |
| RA ascending node | 15.621 hr |
| Argument perigee | 268.612° |
| Mean anomaly | 72.595° |
| Orbital period | 125.452 min |
| Epoch of osculation | 12 Aug 2025, 01:40 |
Derived Quantities
| Min Altitude | 562.2 km |
| Mean Altitude | 1930.3 km |
| Peak Altitude | 3298.4 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.