Launch, orbit & landing data:
| Designation | 10401 / 77099A |
| Launch date - time | 09 Oct 1977 - 02:40:35 UT |
| Launch site | Baikonur, LC1 |
| Launch vehicle |
Soyuz 11A511U |
| OKB name - S/N° | Soyuz 7K-T s/n 42 |
| Basic shape | Sphere-cylinder + 2 wings |
| Dimension (m) | 7.5 long, 2.3 dia |
| Mass (kg) | 6860 kg |
| Flight Crew | Kovalyonok, Vladimir V. (CDR)
Ryumin, Valeri V. (FE) |
| Call Sign | Foton (Photon) |
| Backup crew | Romanenko Y., Ivanchenkov A. |
| Earth orbit on Oct 9.3: |
| - Perigee / Apogee | 194 x 240 km |
| - Eccentricity | 0.004 |
| - Inclination | 51.64° |
| - Period | 88.78 min |
| Deorbit date - time | 11 Oct 1977 - 02:35:12 UT |
| Landing date - time | 11 Oct 1977 - 03:25:20 UT |
| Landing location | 53°N, 70°E
185 km NW of Zelinograd |
| Flight Duration: | 02d 00h 44m 45s (2.03 days) |
| Nbr orbits | 32 |
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