| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | FW4S |
| Spacetrack catalog number | 29784 | 5438 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 22 17:28 | 2024 Dec 22 20:23 |
| Time of closest approach (UTC) | 2024 Dec 26 02:58:47.376 |
| Minimum distance | 3.543 km |
| Height difference | -2.613 km |
| Relative speed | 14.208 km/s |
| Angle between velocity vectors | 144° |
| Geographic position | 26.4°S, 60.0°W |
| Height | 768 km |
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