| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | deb Kosmos-1275 |
| Spacetrack catalog number | 30726 | 19026 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 22:49 | 2024 Dec 21 23:17 |
| Time of closest approach (UTC) | 2024 Dec 27 06:40:15.715 |
| Minimum distance | 3.308 km |
| Height difference | -2.854 km |
| Relative speed | 14.841 km/s |
| Angle between velocity vectors | 178° |
| Geographic position | 6.2°N, 151.4°E |
| Height | 894 km |
|