| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | deb Agena D |
| Spacetrack catalog number | 12669 | 5185 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 02:50 | 2024 Dec 22 21:49 |
| Time of closest approach (UTC) | 2024 Dec 28 19:34:11.251 |
| Minimum distance | 3.400 km |
| Height difference | -2.755 km |
| Relative speed | 14.746 km/s |
| Angle between velocity vectors | 175° |
| Geographic position | 56.0°N, 156.5°W |
| Height | 933 km |
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