| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | FENGYUN 1C DEB |
| Spacetrack catalog number | 33762 | 35160 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:49 | 2024 Dec 19 12:08 |
| Time of closest approach (UTC) | 2024 Dec 24 20:40:17.849 |
| Minimum distance | 4.980 km |
| Height difference | 4.112 km |
| Relative speed | 14.307 km/s |
| Angle between velocity vectors | 148° |
| Geographic position | 72.1°S, 73.0°E |
| Height | 812 km |
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