| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | DMSP 5D-2 F13 DEB |
| Spacetrack catalog number | 12658 | 40398 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 01:26 | 2024 Dec 23 00:18 |
| Time of closest approach (UTC) | 2024 Dec 25 20:31:50.183 |
| Minimum distance | 3.793 km |
| Height difference | 2.895 km |
| Relative speed | 14.451 km/s |
| Angle between velocity vectors | 153° |
| Geographic position | 81.0°N, 136.0°W |
| Height | 849 km |
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