| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | deb Delta 139 |
| Spacetrack catalog number | 30903 | 12236 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 17 10:31 | 2024 Dec 22 14:57 |
| Time of closest approach (UTC) | 2024 Dec 29 01:19:12.098 |
| Minimum distance | 2.294 km |
| Height difference | 0.439 km |
| Relative speed | 0.810 km/s |
| Angle between velocity vectors | 6° |
| Geographic position | 79.4°N, 56.2°E |
| Height | 954 km |
|