KH-8 No. 50 was launched on 1979 May 28 into a 135 x 293 km x 96.4 deg orbit. For the first week after insertion, the orbit gradually was made more eccentric; during its 90 day life the spacecraft made orbital adjustments approximately every two days, with perigee ranging from 119 km to 134 km and apogee ranging from 287 km to 314 km.
| KH-8 Mission 50 | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1979 May 28 | 1814 | Launch by Titan 24B Agena D | V SLC4W |
| 88.8 135x293x96.4 | |||
| 1979 May 29 | 88.7 134 x 287 x 96.4 | ||
| 88.85 135 x 298 x 96.4 | |||
| 1979 May 30 | 135 x 294 x 96.4 | ||
| 133 x 298 x 96.4 | |||
| 1979 May 31 | 133 x 291 x 96.4 | ||
| 128 x 325 x 96.4 | |||
| 1979 Jun 2 | 124 x 306 x 96.4 | ||
| 1979 Jun 2 | 124 x 311 x 96.4 | ||
| 1979 Jun | 119-134 x 292-314 x 96.4 | ||
| 1979 Aug 26 | 1900 | Reentered after 90d | |