| Primary satellite | Secondary satellite |
| Name | Cosmos 2366 rocket | S3M |
| Spacetrack catalog number | 25893 | 12508 |
| Radar cross section | large | large |
| Epoch of two-line elements (UTC) | 2026 Jan 19 07:02 | 2026 Jan 19 06:27 |
| Time of closest approach (UTC) | 2025 Dec 19 20:47:57.123 |
| Minimum distance | 6.539 km |
| Height difference | -4.618 km |
| Relative speed | 13.196 km/s |
| Angle between velocity vectors | 128° |
| Geographic position | 73.8°S, 165.0°E |
| Height | 1013 km |
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