| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 29769 | 33792 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 23 02:00 | 2024 Dec 22 22:50 |
| Time of closest approach (UTC) | 2024 Dec 24 20:12:36.234 |
| Minimum distance | 4.373 km |
| Height difference | 1.545 km |
| Relative speed | 14.137 km/s |
| Angle between velocity vectors | 144° |
| Geographic position | 72.7°S, 38.8°E |
| Height | 914 km |
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