| Primary satellite | Secondary satellite |
| Name | NANOSAT C BR1 | STARLINK-3647 |
| Spacetrack catalog number | 40024 | 51994 |
| Radar cross section | small | large |
| Epoch of two-line elements (UTC) | 2024 Dec 22 12:42 | 2024 Dec 23 04:33 |
| Time of closest approach (UTC) | 2024 Dec 24 22:05:23.099 |
| Minimum distance | 2.699 km |
| Height difference | 2.696 km |
| Relative speed | 14.236 km/s |
| Angle between velocity vectors | 139° |
| Geographic position | 40.2°N, 90.9°W |
| Height | 540 km |
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