| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | deb Kosmos- 1808 |
| Spacetrack catalog number | 38829 | 18545 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 00:28 | 2024 Dec 23 00:58 |
| Time of closest approach (UTC) | 2024 Dec 25 13:12:27.881 |
| Minimum distance | 4.409 km |
| Height difference | 0.221 km |
| Relative speed | 14.830 km/s |
| Angle between velocity vectors | 176° |
| Geographic position | 66.3°S, 112.7°W |
| Height | 874 km |
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