Spacecraft information: DELTA 1 R/B
| Launched | 20 January 1964 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 738 |
| COSPAR ID | 1964-003B |
| Observing |
Current orbital elements
| Inclination | 46.474° |
| Eccentricity | 0.26049 |
| RA ascending node | 1.585 hr |
| Argument perigee | 344.096° |
| Mean anomaly | 9.092° |
| Orbital period | 194.767 min |
| Epoch of osculation | 21 May 2026, 14:51 |
Derived Quantities
| Min Altitude | 1859.9 km |
| Mean Altitude | 4759.2 km |
| Peak Altitude | 7658.5 km |
Launched alongside
RELAY 2Orbital History
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