| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 2571 |
| Spacetrack catalog number | 31810 | 58172 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 20 18:39 | 2024 Dec 22 21:13 |
| Time of closest approach (UTC) | 2024 Dec 24 12:13:52.291 |
| Minimum distance | 4.185 km |
| Height difference | 4.160 km |
| Relative speed | 13.862 km/s |
| Angle between velocity vectors | 141° |
| Geographic position | 62.5°S, 116.9°E |
| Height | 926 km |
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