Spacecraft information: DELTA 1 R/B
| Launched | 5 November 1965 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 1729 |
| COSPAR ID | 1965-089B |
| Observing |
Current orbital elements
| Inclination | 59.392° |
| Eccentricity | 0.07183 |
| RA ascending node | 21.096 hr |
| Argument perigee | 102.307° |
| Mean anomaly | 4.463° |
| Orbital period | 120.244 min |
| Epoch of osculation | 02 Feb 2026, 08:51 |
Derived Quantities
| Min Altitude | 1119.2 km |
| Mean Altitude | 1698.9 km |
| Peak Altitude | 2278.6 km |
Launched alongside
EXPLORER 29 DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEB DELTA 1 DEBOrbital History
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