| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | Sep Motor Cover |
| Spacetrack catalog number | 31736 | 19128 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 23:36 | 2024 Dec 22 18:36 |
| Time of closest approach (UTC) | 2024 Dec 25 00:12:51.673 |
| Minimum distance | 2.959 km |
| Height difference | 2.674 km |
| Relative speed | 14.805 km/s |
| Angle between velocity vectors | 166° |
| Geographic position | 41.8°S, 81.1°E |
| Height | 857 km |
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