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CALSPHERE 4A
Launch Details
| Launched | 12 August 1965 |
| Flight ended | – |
| Status | Operational |
| Categories |
Radar Calibration
Active satellites |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 1520 |
| COSPAR ID | 1965-065H |
| Observing |
Current orbital elements
| Inclination | 89.908° |
| Eccentricity | 0.00706 |
| RA ascending node | 8.308 hr |
| Argument perigee | 33.617° |
| Mean anomaly | 140.015° |
| Orbital period | 107.766 min |
| Epoch of osculation | 30 Oct 2025, 06:59 |
Derived Quantities
| Min Altitude | 1077.5 km |
| Mean Altitude | 1130.5 km |
| Peak Altitude | 1183.5 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.
Launched alongside
THOR ABLESTAR DEB THOR ABLESTAR R/B DODECAPOLE 2 THOR ABLESTAR DEB TEMPSAT 1 OPS 8464 NAVSPASUR ROD 1 THOR ABLESTAR DEB THOR ABLESTAR DEB PORCUPINE 2 OPS 8464 DEB TRANSIT 5B-7 DEB THOR ABLESTAR DEB THOR ABLESTAR DEB THOR ABLESTAR DEB THOR ABLESTAR DEB TRANSIT 5B-7 DEB DODECAPOLE 2 DEB