| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | DMSP 8531 |
| Spacetrack catalog number | 30947 | 7218 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 02:15 | 2024 Dec 23 04:11 |
| Time of closest approach (UTC) | 2024 Dec 24 18:59:00.466 |
| Minimum distance | 3.023 km |
| Height difference | -0.619 km |
| Relative speed | 14.611 km/s |
| Angle between velocity vectors | 154° |
| Geographic position | 45.9°N, 44.6°E |
| Height | 759 km |
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