| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | CZ-6A DEB |
| Spacetrack catalog number | 37966 | 56247 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 19 08:48 | 2024 Dec 23 01:29 |
| Time of closest approach (UTC) | 2024 Dec 29 10:29:59.392 |
| Minimum distance | 4.305 km |
| Height difference | 2.464 km |
| Relative speed | 15.090 km/s |
| Angle between velocity vectors | 169° |
| Geographic position | 46.0°N, 124.9°E |
| Height | 613 km |
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