| Primary satellite | Secondary satellite |
| Name | SR | FENGYUN 1C DEB |
| Spacetrack catalog number | 46 | 31211 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2021 Mar 04 09:56 | 2021 Mar 04 08:53 |
| Time of closest approach (UTC) | 2021 Jan 22 22:13:14.183 |
| Minimum distance | 1.913 km |
| Height difference | 0.140 km |
| Relative speed | 11.618 km/s |
| Angle between velocity vectors | 103° |
| Geographic position | 66.4°N, 178.1°E |
| Height | 830 km |
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