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TOPO 1
Launch Details
| Launched | 7 April 1970 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 4363 |
| COSPAR ID | 1970-025B |
| Observing |
Current orbital elements
| Inclination | 99.891° |
| Eccentricity | 0.00025 |
| RA ascending node | 16.059 hr |
| Argument perigee | 122.804° |
| Mean anomaly | 353.433° |
| Orbital period | 106.929 min |
| Epoch of osculation | 25 Nov 2025, 07:51 |
Derived Quantities