| Primary satellite | Secondary satellite |
| Name | SR | FENGYUN 1C DEB |
| Spacetrack catalog number | 46 | 31899 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2021 Mar 08 09:59 | 2021 Mar 07 14:21 |
| Time of closest approach (UTC) | 2021 Jan 25 03:14:19.125 |
| Minimum distance | 38.729 km |
| Height difference | 0.091 km |
| Relative speed | 13.924 km/s |
| Angle between velocity vectors | 138° |
| Geographic position | 65.4°N, 105.1°E |
| Height | 842 km |
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