| Primary satellite | Secondary satellite |
| Name | Cosmos 2366 rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 25893 | 31383 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2026 Jan 19 07:02 | 2026 Jan 18 02:36 |
| Time of closest approach (UTC) | 2025 Dec 15 14:30:23.005 |
| Minimum distance | 1.637 km |
| Height difference | -0.940 km |
| Relative speed | 14.714 km/s |
| Angle between velocity vectors | 177° |
| Geographic position | 50.4°N, 59.5°W |
| Height | 963 km |
|