| Primary satellite | Secondary satellite |
| Name | deb Kosmos-1275 | FENGYUN 1C DEB |
| Spacetrack catalog number | 17618 | 30356 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 15:14 | 2024 Dec 22 23:48 |
| Time of closest approach (UTC) | 2024 Dec 24 21:54:01.692 |
| Minimum distance | 3.689 km |
| Height difference | 3.087 km |
| Relative speed | 14.327 km/s |
| Angle between velocity vectors | 150° |
| Geographic position | 81.3°N, 157.4°W |
| Height | 884 km |
|