| 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 04 09:56 | 2021 Feb 27 00:17 |
| Time of closest approach (UTC) | 2021 Jan 25 03:14:12.503 |
| Minimum distance | 12.506 km |
| Height difference | 0.390 km |
| Relative speed | 13.925 km/s |
| Angle between velocity vectors | 138° |
| Geographic position | 65.5°N, 104.5°E |
| Height | 842 km |
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