| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | QIANFAN-28 |
| Spacetrack catalog number | 31569 | 61561 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 20 13:34 | 2024 Dec 23 04:04 |
| Time of closest approach (UTC) | 2024 Dec 27 22:59:46.896 |
| Minimum distance | 0.978 km |
| Height difference | -0.920 km |
| Relative speed | 10.579 km/s |
| Angle between velocity vectors | 90° |
| Geographic position | 77.4°N, 148.5°W |
| Height | 817 km |
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