| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 36272 | 33934 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 17 08:07 | 2024 Dec 23 06:17 |
| Time of closest approach (UTC) | 2024 Dec 29 12:31:02.226 |
| Minimum distance | 6.533 km |
| Height difference | -1.419 km |
| Relative speed | 15.025 km/s |
| Angle between velocity vectors | 173° |
| Geographic position | 17.4°N, 121.0°E |
| Height | 719 km |
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