| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | HAIYANG 1D |
| Spacetrack catalog number | 33762 | 45721 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:49 | 2024 Dec 23 10:00 |
| Time of closest approach (UTC) | 2024 Dec 27 18:09:16.192 |
| Minimum distance | 4.466 km |
| Height difference | 4.093 km |
| Relative speed | 9.166 km/s |
| Angle between velocity vectors | 76° |
| Geographic position | 69.3°N, 90.3°W |
| Height | 786 km |
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