Spacecraft information: RELAY 2
| Launched | 20 January 1964 |
| Flight ended | – |
| Status | Unknown |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 737 |
| COSPAR ID | 1964-003A |
| Observing |
Current orbital elements
| Inclination | 46.474° |
| Eccentricity | 0.25998 |
| RA ascending node | 1.112 hr |
| Argument perigee | 350.352° |
| Mean anomaly | 5.518° |
| Orbital period | 194.717 min |
| Epoch of osculation | 20 May 2026, 14:18 |
Derived Quantities
| Min Altitude | 1864.1 km |
| Mean Altitude | 4757.3 km |
| Peak Altitude | 7650.5 km |
Launched alongside
DELTA 1 R/BOrbital History
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