| Primary satellite | Secondary satellite |
| Name | LEGION 4 | FENGYUN 1C DEB |
| Spacetrack catalog number | 60453 | 30437 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 22 23:56 | 2024 Dec 23 05:12 |
| Time of closest approach (UTC) | 2024 Dec 24 19:44:01.873 |
| Minimum distance | 4.608 km |
| Height difference | -2.480 km |
| Relative speed | 13.829 km/s |
| Angle between velocity vectors | 135° |
| Geographic position | 31.4°S, 49.5°W |
| Height | 710 km |
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