| Primary satellite | Secondary satellite |
| Name | MOMENTUS-X1 | BlueWalker 3 |
| Spacetrack catalog number | 44408 | 53807 |
| Radar cross section | medium | medium |
| Epoch of two-line elements (UTC) | 2024 Dec 22 23:25 | 2024 Dec 22 09:20 |
| Time of closest approach (UTC) | 2024 Dec 23 19:35:47.704 |
| Minimum distance | 4.180 km |
| Height difference | -3.364 km |
| Relative speed | 7.422 km/s |
| Angle between velocity vectors | 58° |
| Geographic position | 37.2°S, 24.4°W |
| Height | 483 km |
|