| Primary satellite | Secondary satellite |
| Name | YAOGAN 1 | FENGYUN 1C DEB |
| Spacetrack catalog number | 29092 | 31289 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Apr 12 19:18 | 2021 Apr 12 07:40 |
| Time of closest approach (UTC) | 2021 Mar 06 14:32:13.630 |
| Minimum distance | 138.929 km |
| Height difference | 0.215 km |
| Relative speed | 14.762 km/s |
| Angle between velocity vectors | 159° |
| Geographic position | 46.5°S, 117.0°W |
| Height | 636 km |
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