| Primary satellite | Secondary satellite |
| Name | AO-85 | FENGYUN 1C DEB |
| Spacetrack catalog number | 40967 | 31826 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 20:33 | 2024 Dec 22 11:12 |
| Time of closest approach (UTC) | 2024 Dec 23 22:40:07.976 |
| Minimum distance | 4.435 km |
| Height difference | 3.934 km |
| Relative speed | 14.557 km/s |
| Angle between velocity vectors | 154° |
| Geographic position | 47.9°N, 110.5°E |
| Height | 744 km |
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