| Primary satellite | Secondary satellite |
| Name | SWAS | FENGYUN 1C DEB |
| Spacetrack catalog number | 25560 | 30971 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 18:34 | 2024 Dec 22 11:03 |
| Time of closest approach (UTC) | 2024 Dec 23 23:16:54.036 |
| Minimum distance | 3.928 km |
| Height difference | -3.661 km |
| Relative speed | 15.157 km/s |
| Angle between velocity vectors | 168° |
| Geographic position | 19.2°S, 85.4°E |
| Height | 558 km |
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