 | |
| Mission type | Optical reconnaissance |
|---|---|
| Operator | US Air Force / NRO |
| Harvard designation | 1960-F08 |
| SATCAT no. | F00104 |
| Spacecraft properties | |
| Spacecraft type | CORONA KH-1 |
| Bus | Agena-A |
| Manufacturer | Lockheed |
| Launch mass | 790 kilograms (1,740 lb) |
| Start of mission | |
| Launch date | 29 Jun 1960 22:00:44 GMT |
| Rocket | Thor DM-21 Agena-A (Thor 160) |
| Launch site | Vandenberg LC 75-3-4 |
| End of mission | |
| Decay date | 29 Jun |
Discoverer 12 was an American optical reconnaissance satellite launched on 29 June 1960, at 22:00:44 GMT. The fourth of five test flights of the Corona KH-1 spy satellite series was lost when the second stage failed during launch.