| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | CZ-4 R/B DEB |
| Spacetrack catalog number | 34022 | 37615 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 00:37 | 2024 Dec 20 22:56 |
| Time of closest approach (UTC) | 2024 Dec 29 11:44:43.201 |
| Minimum distance | 3.002 km |
| Height difference | -2.454 km |
| Relative speed | 14.823 km/s |
| Angle between velocity vectors | 166° |
| Geographic position | 56.1°N, 72.5°E |
| Height | 785 km |
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