| Primary satellite | Secondary satellite |
| Name | CZ-2D DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 38176 | 37537 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 19:24 | 2024 Dec 18 07:54 |
| Time of closest approach (UTC) | 2024 Dec 24 15:41:04.993 |
| Minimum distance | 2.845 km |
| Height difference | 0.086 km |
| Relative speed | 14.724 km/s |
| Angle between velocity vectors | 165° |
| Geographic position | 57.8°S, 160.3°W |
| Height | 810 km |
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