Mission type | Optical reconnaissance |
---|---|
Operator | US Air Force / NRO |
Harvard designation | 1959 KAP |
COSPAR ID | 1959-010A |
SATCAT no. | S00024 |
Mission duration | 1 day |
Spacecraft properties | |
Spacecraft type | CORONA KH-1 |
Bus | Agena-A |
Manufacturer | Lockheed |
Launch mass | 920 kilograms (2,030 lb) after orbit insertion |
Start of mission | |
Launch date | 7 November 1959 20:28:41 | GMT
Rocket | Thor DM-21 Agena-A (Thor 206) |
Launch site | Vandenberg LC 75-3-4 |
End of mission | |
Decay date | 26 November 1959 |
Orbital parameters | |
Reference system | Geocentric |
Regime | Low Earth |
Eccentricity | 0.04996 |
Perigee altitude | 159 kilometers (99 mi) |
Apogee altitude | 847 kilometers (526 mi) |
Inclination | 81.640° |
Period | 94.70 minutes |
Epoch | 7 November 1959 |
Discoverer 7, also known as Corona 9004,[1]: 236 was an American optical reconnaissance satellite launched on 7 November 1959 at 20:28:41 GMT, the fourth of ten operational flights of the Corona KH-1 spy satellite series. Though the satellite was orbited successfully, its film capsule failed to separate from the main satellite.