| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | CZ-4B R/B |
| Spacetrack catalog number | 38725 | 43656 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 21 06:26 | 2024 Dec 23 06:26 |
| Time of closest approach (UTC) | 2024 Dec 29 23:08:17.694 |
| Minimum distance | 2.998 km |
| Height difference | 2.714 km |
| Relative speed | 12.496 km/s |
| Angle between velocity vectors | 113° |
| Geographic position | 73.3°S, 175.6°E |
| Height | 784 km |
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