| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | deb Agena D |
| Spacetrack catalog number | 12727 | 4948 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 03:41 | 2024 Dec 22 14:20 |
| Time of closest approach (UTC) | 2024 Dec 29 13:30:56.853 |
| Minimum distance | 1.468 km |
| Height difference | 0.907 km |
| Relative speed | 14.856 km/s |
| Angle between velocity vectors | 175° |
| Geographic position | 52.4°N, 86.0°W |
| Height | 923 km |
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