| Primary satellite | Secondary satellite |
| Name | CZ-2C R/B | COSMOS 1275 DEB |
| Spacetrack catalog number | 37766 | 42101 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 07:38 | 2024 Dec 19 08:18 |
| Time of closest approach (UTC) | 2024 Dec 24 05:18:49.056 |
| Minimum distance | 2.286 km |
| Height difference | -1.916 km |
| Relative speed | 13.396 km/s |
| Angle between velocity vectors | 126° |
| Geographic position | 81.3°N, 35.5°W |
| Height | 697 km |
|