| Primary satellite | Secondary satellite |
| Name | FALCON 9 DEB | BREEZE-KM R/B |
| Spacetrack catalog number | 46085 | 39454 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2021 Apr 17 13:38 | 2021 Apr 17 20:40 |
| Time of closest approach (UTC) | 2021 Mar 04 19:02:35.375 |
| Minimum distance | 377.835 km |
| Height difference | -1.820 km |
| Relative speed | 11.538 km/s |
| Angle between velocity vectors | 97° |
| Geographic position | 52.7°S, 177.3°W |
| Height | 390 km |
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