RocketDelta 3913
SpaceportVandenbergpad SLC2W
OutcomePartial · 0.75stage 2 underperformance (burn 2); later stages kept firing on the wrong trajectory
Launch agencyGSFCUnited States
Flight
- Date and time (UTC)
- August 3, 1981, 09:56
- Launch designation
- 1981-070
- Mission
- DE A
- Flight name
- DE 1/DE 2
- Vehicle flight ID
- 642/D155
- Year
- Launches in 1981
Orbit and payload
- Initial apogee
- 23,507 km
- Payload mass to orbit
- 0.844 t
- Payloads
- 2
- GCAT launch code
- OS75 · S2U2*
Payloads
| Payload | Designation | Owner | Mission type | Mass | Fate |
|---|---|---|---|---|---|
| Dynamics Explorer 1 | 1981-070ANORAD 12624 | NASA Goddard Space Flight Center | Space science | 424 kg | In orbit |
| Dynamics Explorer 2 | 1981-070BNORAD 12625 | NASA Goddard Space Flight Center | Earth science | 420 kg | Reentered (orbital decay) · Feb 19, 1983 |
Source: GCAT launch list and payload catalogs, Jonathan C. McDowell (CC BY 4.0). Orbit values are the initial orbit reported for the launch.