| Primary satellite | Secondary satellite |
| Name | SHIYAN 20A (SY-20A) | FENGYUN 1C DEB |
| Spacetrack catalog number | 54699 | 31088 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 09:25 | 2024 Dec 21 00:39 |
| Time of closest approach (UTC) | 2024 Dec 28 12:50:02.316 |
| Minimum distance | 4.095 km |
| Height difference | 3.380 km |
| Relative speed | 14.692 km/s |
| Angle between velocity vectors | 159° |
| Geographic position | 1.5°S, 101.2°E |
| Height | 789 km |
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