| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | FENGYUN 1C DEB |
| Spacetrack catalog number | 36045 | 30092 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 16 21:15 | 2024 Dec 23 04:26 |
| Time of closest approach (UTC) | 2024 Dec 29 10:05:06.382 |
| Minimum distance | 3.882 km |
| Height difference | -1.390 km |
| Relative speed | 14.240 km/s |
| Angle between velocity vectors | 145° |
| Geographic position | 72.2°S, 65.5°E |
| Height | 761 km |
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