| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | deb Kosmos-1275 |
| Spacetrack catalog number | 34459 | 14441 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 09:30 | 2024 Dec 23 03:04 |
| Time of closest approach (UTC) | 2024 Dec 29 19:08:48.543 |
| Minimum distance | 1.155 km |
| Height difference | -1.066 km |
| Relative speed | 14.468 km/s |
| Angle between velocity vectors | 155° |
| Geographic position | 21.6°S, 64.4°W |
| Height | 892 km |
|