| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | AO-85 |
| Spacetrack catalog number | 31826 | 40967 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 22 11:12 | 2024 Dec 23 12:43 |
| Time of closest approach (UTC) | 2024 Dec 23 22:40:07.887 |
| Minimum distance | 4.572 km |
| Height difference | -3.952 km |
| Relative speed | 14.557 km/s |
| Angle between velocity vectors | 154° |
| Geographic position | 47.9°N, 110.5°E |
| Height | 748 km |
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