| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | Sep Motor Cover |
| Spacetrack catalog number | 31736 | 16390 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 23:36 | 2024 Dec 23 05:05 |
| Time of closest approach (UTC) | 2024 Dec 29 22:23:47.958 |
| Minimum distance | 2.986 km |
| Height difference | -2.929 km |
| Relative speed | 11.312 km/s |
| Angle between velocity vectors | 98° |
| Geographic position | 70.1°N, 88.7°W |
| Height | 857 km |
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