| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | deb Delta 139 |
| Spacetrack catalog number | 31810 | 14464 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 20 18:39 | 2024 Dec 23 03:06 |
| Time of closest approach (UTC) | 2024 Dec 26 22:43:23.444 |
| Minimum distance | 3.667 km |
| Height difference | -0.937 km |
| Relative speed | 14.592 km/s |
| Angle between velocity vectors | 162° |
| Geographic position | 15.3°S, 54.4°W |
| Height | 878 km |
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