Spacecraft information: ECHO 1 DEB
| Launched | 11 August 1960 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 53 |
| COSPAR ID | 1960-009E |
| Alternative names |
METAL OBJ |
| Observing |
Current orbital elements
| Inclination | 47.276° |
| Eccentricity | 0.00975 |
| RA ascending node | 8.118 hr |
| Argument perigee | 316.880° |
| Mean anomaly | 42.438° |
| Orbital period | 118.285 min |
| Epoch of osculation | 06 Jan 2026, 06:40 |
Derived Quantities
| Min Altitude | 1533.2 km |
| Mean Altitude | 1611.0 km |
| Peak Altitude | 1688.8 km |
Orbital History
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