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Spacecraft information: VANGUARD DEB
Launch Details
| Launched | 16 March 1958 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 69999 |
| COSPAR ID | 1958-002D |
| Observing |
Current orbital elements
| Inclination | 34.242° |
| Eccentricity | 0.14870 |
| RA ascending node | 22.792 hr |
| Argument perigee | 19.919° |
| Mean anomaly | 345.372° |
| Orbital period | 123.884 min |
| Epoch of osculation | 08 Jul 2026, 17:02 |
Derived Quantities
| Min Altitude | 636.9 km |
| Mean Altitude | 1861.0 km |
| Peak Altitude | 3085.1 km |