| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | CZ-6A DEB |
| Spacetrack catalog number | 39586 | 61816 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 21 02:55 | 2024 Dec 22 10:28 |
| Time of closest approach (UTC) | 2024 Dec 26 21:13:16.088 |
| Minimum distance | 1.785 km |
| Height difference | -1.745 km |
| Relative speed | 14.568 km/s |
| Angle between velocity vectors | 154° |
| Geographic position | 49.3°N, 102.9°E |
| Height | 793 km |
|