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Spacecraft information: VANGUARD 2
Launch Details
| Launched | 16 February 1959 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 11 |
| COSPAR ID | 1959-001A |
| Observing |
Current orbital elements
| Inclination | 32.876° |
| Eccentricity | 0.14456 |
| RA ascending node | 22.471 hr |
| Argument perigee | 219.447° |
| Mean anomaly | 129.161° |
| Orbital period | 120.949 min |
| Epoch of osculation | 15 Jul 2026, 17:45 |
Derived Quantities
| Min Altitude | 559.3 km |
| Mean Altitude | 1730.4 km |
| Peak Altitude | 2901.6 km |
Orbital History
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