| Primary satellite | Secondary satellite |
| Name | COSMOS 1275 DEB | COSMOS 2251 DEB |
| Spacetrack catalog number | 42180 | 36053 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 18 00:13 | 2024 Dec 22 00:07 |
| Time of closest approach (UTC) | 2024 Dec 28 02:14:37.009 |
| Minimum distance | 4.480 km |
| Height difference | -0.684 km |
| Relative speed | 4.251 km/s |
| Angle between velocity vectors | 33° |
| Geographic position | 70.1°N, 97.4°E |
| Height | 713 km |
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