| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | FW4S |
| Spacetrack catalog number | 31217 | 3341 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 21 19:55 | 2024 Dec 22 23:55 |
| Time of closest approach (UTC) | 2024 Dec 26 09:45:24.725 |
| Minimum distance | 0.981 km |
| Height difference | -0.036 km |
| Relative speed | 10.937 km/s |
| Angle between velocity vectors | 93° |
| Geographic position | 77.7°S, 175.0°E |
| Height | 939 km |
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