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RIGIDSPHERE 2
Launch Details
Launched | 6 August 1971 |
Flight ended | – |
Status | Operational |
Categories |
Radar Calibration
Active satellites |
Launch site | Air Force Western Test Range, California, USA |
Owner | United States |
NORAD ID | 5398 |
COSPAR ID | 1971-067E |
Alternative names |
LCS 4 |
Observing |
Current orbital elements
Inclination | 87.615° |
Eccentricity | 0.00589 |
RA ascending node | 4.529 hr |
Argument perigee | 216.040° |
Mean anomaly | 143.683° |
Orbital period | 100.191 min |
Epoch of osculation | 31 Jul 2025, 04:07 |
Derived Quantities
Min Altitude | 732.6 km |
Mean Altitude | 774.7 km |
Peak Altitude | 816.8 km |
Orbital History
Drag the graphs below left or right to change the time range, or use your scroll wheel to zoom in or out.