| Primary satellite | Secondary satellite |
| Name | SR | FENGYUN 1C DEB |
| Spacetrack catalog number | 46 | 30755 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2021 Mar 08 09:59 | 2021 Mar 07 20:02 |
| Time of closest approach (UTC) | 2021 Jan 27 03:14:49.191 |
| Minimum distance | 29.359 km |
| Height difference | 4.815 km |
| Relative speed | 11.388 km/s |
| Angle between velocity vectors | 101° |
| Geographic position | 66.4°N, 87.7°E |
| Height | 837 km |
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