| Primary satellite | Secondary satellite |
| Name | COSMOS 1275 DEB | CZ-4 DEB |
| Spacetrack catalog number | 42188 | 27676 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 23:43 | 2024 Dec 22 13:13 |
| Time of closest approach (UTC) | 2024 Dec 29 03:15:02.805 |
| Minimum distance | 2.941 km |
| Height difference | 1.499 km |
| Relative speed | 14.326 km/s |
| Angle between velocity vectors | 149° |
| Geographic position | 81.3°S, 5.4°W |
| Height | 840 km |
|