| Primary satellite | Secondary satellite |
| Name | H-2A R/B | FENGYUN 1C DEB |
| Spacetrack catalog number | 27601 | 29788 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2021 Apr 10 12:15 | 2021 Apr 09 22:29 |
| Time of closest approach (UTC) | 2021 Mar 05 03:51:41.172 |
| Minimum distance | 66.950 km |
| Height difference | 1.816 km |
| Relative speed | 3.943 km/s |
| Angle between velocity vectors | 31° |
| Geographic position | 81.2°N, 163.5°E |
| Height | 835 km |
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