| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | deb Kosmos- 1809 |
| Spacetrack catalog number | 30726 | 17270 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 22:49 | 2024 Dec 22 20:39 |
| Time of closest approach (UTC) | 2024 Dec 26 09:43:47.550 |
| Minimum distance | 0.294 km |
| Height difference | -0.016 km |
| Relative speed | 14.124 km/s |
| Angle between velocity vectors | 147° |
| Geographic position | 80.8°S, 161.5°W |
| Height | 946 km |
|