| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | CZ-4B DEB |
| Spacetrack catalog number | 12669 | 27433 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 02:50 | 2024 Dec 23 03:13 |
| Time of closest approach (UTC) | 2024 Dec 28 20:28:05.420 |
| Minimum distance | 2.613 km |
| Height difference | -2.601 km |
| Relative speed | 14.844 km/s |
| Angle between velocity vectors | 175° |
| Geographic position | 63.4°S, 13.7°E |
| Height | 871 km |
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