| Primary satellite | Secondary satellite |
| Name | STARLINK-30221 | AO-73 |
| Spacetrack catalog number | 57418 | 39444 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 20:04 | 2024 Dec 23 08:03 |
| Time of closest approach (UTC) | 2024 Dec 24 04:02:51.801 |
| Minimum distance | 4.029 km |
| Height difference | 3.204 km |
| Relative speed | 14.221 km/s |
| Angle between velocity vectors | 139° |
| Geographic position | 13.8°N, 16.5°W |
| Height | 558 km |
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