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Spacecraft information: 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 | 89.910° |
| Eccentricity | 0.00682 |
| RA ascending node | 8.282 hr |
| Argument perigee | 264.719° |
| Mean anomaly | 164.530° |
| Orbital period | 107.765 min |
| Epoch of osculation | 14 Dec 2025, 10:09 |
Derived Quantities
| Min Altitude | 1079.3 km |
| Mean Altitude | 1130.5 km |
| Peak Altitude | 1181.6 km |
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 DEBOrbital History
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