| Official name | SL-8 R/B |
| Alternative name | Cosmos 3 second stage (S3) (Cosmos 3M (11K65M)) |
| Cospar ID | 1977-079J |
| Norad ID | 10293 |
| Launch date | 1977-08-24 |
| Launch site | PKMTR |
| Launch vehicle | Kosmos-3M |
| RCS size | LARGE |
| Decay date | ON ORBIT |
| Period (min) | 117.53 |
| Inclination (deg) | 74.02 |
| Perigee (km) | 1462 |
| Apogee (km) | 1678 |
| Eccentricity | 0.0687898089171975 |
| Mean motion (revs. per day) | 12.2521909299753 |
| Semi-Major axis (km) | 7948.135 |
| Raan (deg) | 173.4504 |
| Arg of perigee (deg) | 240.9645 |
| Shape | Cyl |
| Mass (kg) | 1421.21 |
| Diameter (m) | 2.4 |
| Height (m) | 6.57 |
| Span (m^2) | 6.57 |
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