| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | deb Delta 139 |
| Spacetrack catalog number | 31888 | 13569 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 16:28 | 2024 Dec 22 04:47 |
| Time of closest approach (UTC) | 2024 Dec 27 18:20:16.788 |
| Minimum distance | 3.853 km |
| Height difference | 3.211 km |
| Relative speed | 14.755 km/s |
| Angle between velocity vectors | 162° |
| Geographic position | 4.3°S, 71.9°E |
| Height | 789 km |
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