| Primary satellite | Secondary satellite |
| Name | NEMO-HD | BlueWalker 3 |
| Spacetrack catalog number | 46277 | 53807 |
| Radar cross section | medium | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 23 04:09 | 2024 Dec 22 09:20 |
| Time of closest approach (UTC) | 2024 Dec 23 23:51:10.451 |
| Minimum distance | 1.824 km |
| Height difference | 1.529 km |
| Relative speed | 6.266 km/s |
| Angle between velocity vectors | 49° |
| Geographic position | 23.3°S, 143.7°E |
| Height | 479 km |
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