| Primary satellite | Secondary satellite |
| Name | FW4S | FORMOSAT 3C |
| Spacetrack catalog number | 7228 | 29049 |
| Radar cross section | medium | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 23 02:28 | 2024 Dec 22 14:58 |
| Time of closest approach (UTC) | 2024 Dec 27 18:06:18.729 |
| Minimum distance | 3.669 km |
| Height difference | -2.764 km |
| Relative speed | 14.793 km/s |
| Angle between velocity vectors | 166° |
| Geographic position | 42.5°N, 144.9°W |
| Height | 793 km |
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