| Primary satellite | Secondary satellite |
| Name | GAOFEN 12 | COSMOS 2251 DEB |
| Spacetrack catalog number | 44819 | 47061 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 12:24 | 2024 Dec 22 13:23 |
| Time of closest approach (UTC) | 2024 Dec 27 12:48:17.352 |
| Minimum distance | 3.424 km |
| Height difference | -3.239 km |
| Relative speed | 15.044 km/s |
| Angle between velocity vectors | 171° |
| Geographic position | 19.2°N, 93.9°W |
| Height | 628 km |
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