| Primary satellite | Secondary satellite |
| Name | Lacrosse 5 | FENGYUN 1C DEB |
| Spacetrack catalog number | 28646 | 33640 |
| Radar cross section | | small |
| Epoch of two-line elements (UTC) | 2021 Apr 02 19:22 | 2021 Apr 19 21:46 |
| Time of closest approach (UTC) | 2021 Mar 06 18:52:47.095 |
| Minimum distance | 10.379 km |
| Height difference | -3.081 km |
| Relative speed | 14.609 km/s |
| Angle between velocity vectors | 153° |
| Geographic position | 23.1°S, 154.9°W |
| Height | 727 km |
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