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Spacecraft information: ECHO 1 DEB
Launch Details
| Launched | 11 August 1960 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 51 |
| COSPAR ID | 1960-009C |
| Alternative names |
METAL OBJ |
| Observing |
Current orbital elements
| Inclination | 47.209° |
| Eccentricity | 0.01061 |
| RA ascending node | 8.956 hr |
| Argument perigee | 115.302° |
| Mean anomaly | 245.881° |
| Orbital period | 118.190 min |
| Epoch of osculation | 20 May 2026, 17:23 |
Derived Quantities
| Min Altitude | 1522.1 km |
| Mean Altitude | 1606.8 km |
| Peak Altitude | 1691.4 km |
Orbital History
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