| Official name | COSMOS 2491 DEB |
| Alternative name | Cosmos-2491 debris |
| Cospar ID | 2013-076AE |
| Norad ID | 45173 |
| Launch date | 2013-12-25 |
| Launch site | PKMTR |
| Launch vehicle | Rokot-KM |
| RCS size | SMALL |
| Decay date | ON ORBIT |
| Period (min) | 114.76 |
| Inclination (deg) | 82.44 |
| Perigee (km) | 1240 |
| Apogee (km) | 1648 |
| Eccentricity | 0.141274238227147 |
| Mean motion (revs. per day) | 12.5479261066574 |
| Semi-Major axis (km) | 7822.135 |
| Raan (deg) | 271.388 |
| Arg of perigee (deg) | 6.3444 |






