| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | QIANFAN-29 |
| Spacetrack catalog number | 31357 | 61562 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 23 14:11 | 2024 Dec 23 13:00 |
| Time of closest approach (UTC) | 2024 Dec 28 02:15:03.355 |
| Minimum distance | 2.157 km |
| Height difference | -2.061 km |
| Relative speed | 9.613 km/s |
| Angle between velocity vectors | 81° |
| Geographic position | 81.0°N, 160.7°E |
| Height | 865 km |
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