| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | COSMOS 860 DEB |
| Spacetrack catalog number | 33740 | 29194 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 18 06:46 | 2024 Dec 23 03:32 |
| Time of closest approach (UTC) | 2024 Dec 25 08:18:05.518 |
| Minimum distance | 1.951 km |
| Height difference | -1.729 km |
| Relative speed | 12.252 km/s |
| Angle between velocity vectors | 111° |
| Geographic position | 64.8°S, 40.0°W |
| Height | 879 km |
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