| Primary satellite | Secondary satellite |
| Name | SHIYAN 20A (SY-20A) | FENGYUN 1C DEB |
| Spacetrack catalog number | 54699 | 29940 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 09:25 | 2024 Dec 23 00:40 |
| Time of closest approach (UTC) | 2024 Dec 28 16:02:04.246 |
| Minimum distance | 1.470 km |
| Height difference | -1.346 km |
| Relative speed | 14.622 km/s |
| Angle between velocity vectors | 155° |
| Geographic position | 27.5°N, 34.3°E |
| Height | 784 km |
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