| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 12673 | 31974 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 01:38 | 2024 Dec 22 12:21 |
| Time of closest approach (UTC) | 2024 Dec 26 21:20:04.977 |
| Minimum distance | 3.440 km |
| Height difference | 0.790 km |
| Relative speed | 14.776 km/s |
| Angle between velocity vectors | 171° |
| Geographic position | 78.6°N, 167.6°W |
| Height | 874 km |
|