| Primary satellite | Secondary satellite |
| Name | deb Chang Zheng 4 | FENGYUN 1C DEB |
| Spacetrack catalog number | 20877 | 30232 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 14:01 | 2024 Dec 23 02:00 |
| Time of closest approach (UTC) | 2024 Dec 25 00:57:25.835 |
| Minimum distance | 4.792 km |
| Height difference | 4.790 km |
| Relative speed | 14.723 km/s |
| Angle between velocity vectors | 154° |
| Geographic position | 49.5°S, 77.5°E |
| Height | 640 km |
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