| Primary satellite | Secondary satellite |
| Name | FENGYUN 1C DEB | STARLINK-4709 |
| Spacetrack catalog number | 31663 | 53778 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 11:19 | 2024 Dec 23 12:19 |
| Time of closest approach (UTC) | 2024 Dec 23 20:58:17.850 |
| Minimum distance | 2.273 km |
| Height difference | -0.326 km |
| Relative speed | 13.608 km/s |
| Angle between velocity vectors | 127° |
| Geographic position | 49.5°S, 10.5°W |
| Height | 558 km |
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