Launch data:
| Designation | 02761 / 67038A |
| Launch date | 26 Apr 1967 - 10:06 UT |
| Launch site | San Marco Platform |
| Launch vehicle | Scout-B (#52) |
| Mission | Scientific: high atmosphere study |
| Earth orbit: | |
| Perigee/Apogee | 219/741 km |
| Inclination | 2.9° |
| Period | 94.2 min |
| Mass at launch | 128 kg |
