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CALSPHERE 1
Launch Details
| Launched | 5 October 1964 |
| Flight ended | – |
| Status | Operational |
| Categories |
Radar Calibration
Active satellites |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 900 |
| COSPAR ID | 1964-063C |
| Observing |
Current orbital elements
| Inclination | 90.217° |
| Eccentricity | 0.00270 |
| RA ascending node | 4.200 hr |
| Argument perigee | 13.738° |
| Mean anomaly | 155.887° |
| Orbital period | 104.646 min |
| Epoch of osculation | 31 May 2025, 05:15 |
Derived Quantities
| Min Altitude | 965.1 km |
| Mean Altitude | 985.0 km |
| Peak Altitude | 1004.9 km |
Orbital History
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