| Primary satellite | Secondary satellite |
| Name | FENGYUN 3A | FENGYUN 1C DEB |
| Spacetrack catalog number | 32958 | 36263 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Apr 12 12:59 | 2021 Apr 12 08:45 |
| Time of closest approach (UTC) | 2021 Mar 08 22:01:14.140 |
| Minimum distance | 9.334 km |
| Height difference | 3.169 km |
| Relative speed | 14.621 km/s |
| Angle between velocity vectors | 159° |
| Geographic position | 32.0°N, 96.1°W |
| Height | 836 km |
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