| Primary satellite | Secondary satellite |
| Name | Lacrosse 5 rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 28647 | 30429 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Apr 12 16:38 | 2021 Apr 12 16:03 |
| Time of closest approach (UTC) | 2021 Mar 02 03:47:36.261 |
| Minimum distance | 269.864 km |
| Height difference | 5.625 km |
| Relative speed | 7.113 km/s |
| Angle between velocity vectors | 56° |
| Geographic position | 40.2°N, 88.3°E |
| Height | 630 km |
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