| Primary satellite | Secondary satellite |
| Name | HAIYANG 4A | COSMOS 2251 DEB |
| Spacetrack catalog number | 61936 | 34006 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 09:05 | 2024 Dec 22 19:02 |
| Time of closest approach (UTC) | 2024 Dec 28 13:26:10.899 |
| Minimum distance | 4.933 km |
| Height difference | 4.194 km |
| Relative speed | 12.142 km/s |
| Angle between velocity vectors | 107° |
| Geographic position | 73.7°N, 82.8°W |
| Height | 662 km |
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