| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | deb Kosmos- 1808 |
| Spacetrack catalog number | 30741 | 18545 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 00:13 | 2024 Dec 23 00:58 |
| Time of closest approach (UTC) | 2024 Dec 26 01:37:24.476 |
| Minimum distance | 1.651 km |
| Height difference | 1.132 km |
| Relative speed | 14.858 km/s |
| Angle between velocity vectors | 178° |
| Geographic position | 38.6°N, 82.3°E |
| Height | 855 km |
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