| Primary satellite | Secondary satellite |
| Name | CZ-2D DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 38176 | 33848 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 19:24 | 2024 Dec 23 07:01 |
| Time of closest approach (UTC) | 2024 Dec 29 11:09:07.301 |
| Minimum distance | 30.720 km |
| Height difference | 2.834 km |
| Relative speed | 10.161 km/s |
| Angle between velocity vectors | 85° |
| Geographic position | 71.2°N, 75.8°E |
| Height | 736 km |
|