| Official name | SL-8 R/B |
| Alternative name | Cosmos 3 second stage (S3) (Cosmos 3M (11K65M)) |
| Cospar ID | 1986-092J |
| Norad ID | 17146 |
| Launch date | 1986-11-21 |
| Launch site | PKMTR |
| Launch vehicle | Kosmos-3M |
| RCS size | LARGE |
| Decay date | ON ORBIT |
| Period (min) | 117.68 |
| Inclination (deg) | 74.01 |
| Perigee (km) | 1478 |
| Apogee (km) | 1676 |
| Eccentricity | 0.0627774254914394 |
| Mean motion (revs. per day) | 12.2365737593474 |
| Semi-Major axis (km) | 7955.135 |
| Raan (deg) | 290.9716 |
| Arg of perigee (deg) | 325.4858 |
| Shape | Cyl |
| Mass (kg) | 1421.21 |
| Diameter (m) | 2.4 |
| Height (m) | 6.57 |
| Span (m^2) | 6.57 |
