| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | QIANFAN-31 |
| Spacetrack catalog number | 29784 | 61564 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 17:28 | 2024 Dec 23 01:06 |
| Time of closest approach (UTC) | 2024 Dec 27 23:51:32.026 |
| Minimum distance | 4.297 km |
| Height difference | 1.059 km |
| Relative speed | 14.275 km/s |
| Angle between velocity vectors | 148° |
| Geographic position | 74.9°N, 26.9°E |
| Height | 836 km |
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