| Primary satellite | Secondary satellite |
| Name | Lacrosse 4 Rocket | FLOCK 4V 11 |
| Spacetrack catalog number | 26474 | 46286 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Apr 13 00:57 | 2021 Apr 13 04:26 |
| Time of closest approach (UTC) | 2021 Mar 01 10:23:26.485 |
| Minimum distance | 395.930 km |
| Height difference | -7.067 km |
| Relative speed | 7.066 km/s |
| Angle between velocity vectors | 55° |
| Geographic position | 57.4°S, 8.2°W |
| Height | 565 km |
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