| Primary satellite | Secondary satellite |
| Name | NOAA 6 | FENGYUN 1C DEB |
| Spacetrack catalog number | 11416 | 31485 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Apr 14 12:56 | 2021 Apr 14 04:29 |
| Time of closest approach (UTC) | 2021 Mar 02 18:29:42.189 |
| Minimum distance | 141.072 km |
| Height difference | 8.610 km |
| Relative speed | 11.717 km/s |
| Angle between velocity vectors | 102° |
| Geographic position | 72.0°N, 39.1°W |
| Height | 798 km |
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