| Official name | SL-3 R/B |
| Alternative name | Vostok 8A92M-2 (Vostok SL-3 (A-1)) |
| Cospar ID | 1975-124B |
| Norad ID | 8520 |
| Launch date | 1975-12-25 |
| Launch site | PKMTR |
| Launch vehicle | Vostok-2M |
| RCS size | LARGE |
| Decay date | ON ORBIT |
| Period (min) | 102.17 |
| Inclination (deg) | 81.29 |
| Perigee (km) | 837 |
| Apogee (km) | 886 |
| Eccentricity | 0.028438769587928 |
| Mean motion (revs. per day) | 14.0941567974944 |
| Semi-Major axis (km) | 7239.635 |
| Raan (deg) | 244.4714 |
| Arg of perigee (deg) | 70.8628 |
| Shape | Cyl |
| Mass (kg) | 1427.16 |
| Diameter (m) | 2.6 |
| Height (m) | 3.8 |
| Span (m^2) | 3.8 |
