| 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) | 102.19 |
| Inclination (deg) | 81.29 |
| Perigee (km) | 841 |
| Apogee (km) | 883 |
| Eccentricity | 0.0243619489559165 |
| Mean motion (revs. per day) | 14.0913983755749 |
| Semi-Major axis (km) | 7240.135 |
| Raan (deg) | 257.1226 |
| Arg of perigee (deg) | 63.9915 |
| Shape | Cyl |
| Mass (kg) | 1427.16 |
| Diameter (m) | 2.6 |
| Height (m) | 3.8 |
| Span (m^2) | 3.8 |
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