| Primary satellite | Secondary satellite |
| Name | CZ-4 DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 28069 | 35647 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 21 13:44 | 2024 Dec 21 00:26 |
| Time of closest approach (UTC) | 2024 Dec 26 18:39:39.392 |
| Minimum distance | 2.653 km |
| Height difference | 2.634 km |
| Relative speed | 14.929 km/s |
| Angle between velocity vectors | 172° |
| Geographic position | 11.8°S, 152.8°W |
| Height | 743 km |
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