| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | CZ-4 DEB |
| Spacetrack catalog number | 34588 | 27687 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 00:00 | 2024 Dec 21 21:15 |
| Time of closest approach (UTC) | 2024 Dec 23 23:30:03.372 |
| Minimum distance | 4.282 km |
| Height difference | -4.046 km |
| Relative speed | 14.898 km/s |
| Angle between velocity vectors | 172° |
| Geographic position | 28.3°N, 71.3°W |
| Height | 773 km |
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