| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | deb Kosmos- 1808 |
| Spacetrack catalog number | 29938 | 18545 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 12:40 | 2024 Dec 23 00:58 |
| Time of closest approach (UTC) | 2024 Dec 25 02:51:31.882 |
| Minimum distance | 1.948 km |
| Height difference | 0.816 km |
| Relative speed | 14.534 km/s |
| Angle between velocity vectors | 157° |
| Geographic position | 80.9°S, 69.6°W |
| Height | 882 km |
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