| Primary satellite | Secondary satellite |
| Name | Cosmos 2366 rocket | SL-16 Debris |
| Spacetrack catalog number | 25893 | 25402 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2026 Jan 19 07:02 | 2026 Jan 19 02:57 |
| Time of closest approach (UTC) | 2025 Dec 15 20:44:18.925 |
| Minimum distance | 10.869 km |
| Height difference | -3.328 km |
| Relative speed | 14.573 km/s |
| Angle between velocity vectors | 170° |
| Geographic position | 75.5°S, 46.5°E |
| Height | 1022 km |
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