Launch, orbit & landing data:
| Designation | 12419 / 81039A |
| Launch date - time | 25 Apr 1981 - 02:01 UT |
| Launch site | Baikonur, LC200/39 |
| Launch vehicle |
Proton-K (#299-02) |
| Satellite type | TKS Merkur #2 |
| OKB name - S/N° | TKS n°16301 |
| Mass (kg) | 15100 |
| Total cargo mass (kg) | |
| Initial orbit: |
| - Perigee / Apogee | km |
| - Inclination | ° |
| - Period | min |
|
| Docking date - time | 19 Jun 1981 - 06:52 UT |
| Target spacecraft/port | Salyut-6 / forward unit |
| Docking orbit: |
| - Perigee / Apogee | 192 / 259 km |
| - Inclination | 51.6° |
| - Period | 88.9 min |
| Deorbit burn date - time | |
| Destroyed date - time | 29 July 1982 - UT
deorbited with Salyut-6 |
| Flight Duration (dd:hh:min) | 459 days |
| Nbr orbits | |
|
