| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | CZ-6A DEB |
| Spacetrack catalog number | 47059 | 54412 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 18 23:17 | 2024 Dec 23 02:29 |
| Time of closest approach (UTC) | 2024 Dec 26 08:36:06.715 |
| Minimum distance | 4.250 km |
| Height difference | 4.196 km |
| Relative speed | 15.018 km/s |
| Angle between velocity vectors | 169° |
| Geographic position | 47.1°S, 157.9°W |
| Height | 638 km |
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