| Primary satellite | Secondary satellite |
| Name | CZ-4 DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 28069 | 47074 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 21 13:44 | 2024 Dec 17 11:46 |
| Time of closest approach (UTC) | 2024 Dec 24 13:55:26.559 |
| Minimum distance | 4.339 km |
| Height difference | 4.158 km |
| Relative speed | 14.938 km/s |
| Angle between velocity vectors | 168° |
| Geographic position | 51.0°S, 90.7°W |
| Height | 729 km |
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