| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | COSMOS 1275 DEB |
| Spacetrack catalog number | 37089 | 42225 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 20 13:16 | 2024 Dec 22 10:26 |
| Time of closest approach (UTC) | 2024 Dec 26 04:37:26.588 |
| Minimum distance | 3.644 km |
| Height difference | 3.601 km |
| Relative speed | 14.284 km/s |
| Angle between velocity vectors | 149° |
| Geographic position | 43.0°N, 84.6°E |
| Height | 836 km |
|