| Primary satellite | Secondary satellite |
| Name | COSMOS 2251 DEB | Cosmos 1814 |
| Spacetrack catalog number | 33841 | 17303 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 16:25 | 2024 Dec 22 21:01 |
| Time of closest approach (UTC) | 2024 Dec 25 21:22:48.395 |
| Minimum distance | 3.734 km |
| Height difference | 1.132 km |
| Relative speed | 5.042 km/s |
| Angle between velocity vectors | 39° |
| Geographic position | 73.1°N, 140.5°W |
| Height | 775 km |
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