Spacecraft information: SYNCOM 3
| Launched | 18 August 1964 |
| Flight ended | – |
| Status | Non-operational |
| Launch site | Air Force Eastern Test Range, Florida, USA |
| Owner | United States |
| NORAD ID | 858 |
| COSPAR ID | 1964-047A |
| Observing |
Current orbital elements
| Inclination | 6.903° |
| Eccentricity | 0.00027 |
| RA ascending node | 4.318 hr |
| Argument perigee | 167.094° |
| Mean anomaly | 215.727° |
| Orbital period | 1434.258 min |
| Epoch of osculation | 21 May 2026, 09:22 |
Derived Quantities
| Min Altitude | 35746.5 km |
| Mean Altitude | 35757.7 km |
| Peak Altitude | 35768.9 km |
Launched alongside
DELTA 1 R/BOrbital History
Drag the graphs below left or right to change the time range, or use your scroll wheel to zoom in or out.