| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | CZ-4B R/B |
| Spacetrack catalog number | 12669 | 27432 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 02:50 | 2024 Dec 23 02:31 |
| Time of closest approach (UTC) | 2024 Dec 24 23:57:45.656 |
| Minimum distance | 1.381 km |
| Height difference | -0.144 km |
| Relative speed | 14.825 km/s |
| Angle between velocity vectors | 175° |
| Geographic position | 64.4°S, 31.4°W |
| Height | 878 km |
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