| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 12698 | 36267 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 20:12 | 2024 Dec 22 09:29 |
| Time of closest approach (UTC) | 2024 Dec 26 05:21:41.908 |
| Minimum distance | 4.487 km |
| Height difference | 1.111 km |
| Relative speed | 14.885 km/s |
| Angle between velocity vectors | 170° |
| Geographic position | 78.5°N, 98.5°E |
| Height | 815 km |
|