Spacecraft information: OPS 2739
| Launched | 20 August 1964 |
| Flight ended | 30 March 1965 |
| Status | Decayed |
| Launch site | Air Force Western Test Range, California, USA |
| Owner | United States |
| NORAD ID | 861 |
| COSPAR ID | 1964-048A |
| Alternative names |
STARFLASH 1B |
| Observing |