| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | deb Kosmos-1275 |
| Spacetrack catalog number | 36148 | 14558 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 20 09:27 | 2024 Dec 22 18:19 |
| Time of closest approach (UTC) | 2024 Dec 27 01:05:32.374 |
| Minimum distance | 1.837 km |
| Height difference | -1.225 km |
| Relative speed | 14.567 km/s |
| Angle between velocity vectors | 154° |
| Geographic position | 81.6°S, 145.6°W |
| Height | 823 km |
|