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 | 46.475° |
| Eccentricity | 0.26058 |
| RA ascending node | 2.457 hr |
| Argument perigee | 331.067° |
| Mean anomaly | 16.713° |
| Orbital period | 194.766 min |
| Epoch of osculation | 09 May 2026, 23:45 |
Derived Quantities
| Min Altitude | 1858.8 km |
| Mean Altitude | 4759.2 km |
| Peak Altitude | 7659.5 km |
Launched alongside
RELAY 2Orbital History
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