| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | deb Kosmos-1275 |
| Spacetrack catalog number | 31736 | 19047 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 23:36 | 2024 Dec 23 01:45 |
| Time of closest approach (UTC) | 2024 Dec 25 03:31:03.129 |
| Minimum distance | 2.261 km |
| Height difference | 2.257 km |
| Relative speed | 2.216 km/s |
| Angle between velocity vectors | 17° |
| Geographic position | 22.2°S, 35.8°E |
| Height | 848 km |
|