| Primary satellite | Secondary satellite |
| Name | SR | COSMOS 2251 DEB |
| Spacetrack catalog number | 46 | 47116 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2026 Jan 18 23:58 | 2026 Jan 14 17:00 |
| Time of closest approach (UTC) | 2025 Dec 15 18:28:32.006 |
| Minimum distance | 2050.494 km |
| Height difference | 7.149 km |
| Relative speed | 13.359 km/s |
| Angle between velocity vectors | 123° |
| Geographic position | 60.2°N, 54.7°E |
| Height | 585 km |
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