| Primary satellite | Secondary satellite |
| Name | SHIYAN 20A (SY-20A) | FENGYUN 1C DEB |
| Spacetrack catalog number | 54699 | 29998 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 09:25 | 2024 Dec 22 15:22 |
| Time of closest approach (UTC) | 2024 Dec 24 00:21:26.346 |
| Minimum distance | 4.934 km |
| Height difference | -4.892 km |
| Relative speed | 14.530 km/s |
| Angle between velocity vectors | 155° |
| Geographic position | 32.1°S, 105.7°E |
| Height | 817 km |
|