| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | deb Delta 139 |
| Spacetrack catalog number | 31656 | 12262 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 08:57 | 2024 Dec 22 21:50 |
| Time of closest approach (UTC) | 2024 Dec 23 17:31:27.905 |
| Minimum distance | 3.100 km |
| Height difference | -1.855 km |
| Relative speed | 14.729 km/s |
| Angle between velocity vectors | 161° |
| Geographic position | 19.5°S, 135.1°E |
| Height | 788 km |
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