| Primary satellite | Secondary satellite |
| Name | CZ-2D DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 38176 | 34001 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 19:24 | 2024 Dec 23 01:39 |
| Time of closest approach (UTC) | 2024 Dec 28 17:41:04.135 |
| Minimum distance | 2.172 km |
| Height difference | 0.145 km |
| Relative speed | 14.708 km/s |
| Angle between velocity vectors | 162° |
| Geographic position | 62.7°S, 166.7°E |
| Height | 791 km |
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