Launch data:
| Designation | 07154 / 74009A |
| Launch date | 18 Feb 1974 |
| Launch site | San Marco Platform |
| Launch vehicle | Scout-D1 (#85) |
| Mission | Scientific: high atmosphere study |
| Earth orbit: | |
| Perigee/Apogee | 270/875 km |
| Inclination | 2.9° |
| Period | 96.1 min |
| Mass at launch | 164 kg |
