| Primary satellite | Secondary satellite |
| Name | Cosmos 2366 rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 25893 | 37906 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2026 Jan 19 07:02 | 2026 Jan 16 20:54 |
| Time of closest approach (UTC) | 2025 Dec 15 06:48:40.070 |
| Minimum distance | 8.767 km |
| Height difference | 0.759 km |
| Relative speed | 14.333 km/s |
| Angle between velocity vectors | 156° |
| Geographic position | 79.7°S, 89.2°W |
| Height | 1022 km |
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