| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | KAGAYAKI |
| Spacetrack catalog number | 34115 | 33495 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 23 00:46 | 2024 Dec 23 07:23 |
| Time of closest approach (UTC) | 2024 Dec 25 06:53:56.902 |
| Minimum distance | 3.771 km |
| Height difference | 3.023 km |
| Relative speed | 5.880 km/s |
| Angle between velocity vectors | 46° |
| Geographic position | 57.5°N, 41.6°E |
| Height | 656 km |
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