| Primary satellite | Secondary satellite |
| Name | NOAA 12 | FENGYUN 1C DEB |
| Spacetrack catalog number | 21263 | 31024 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Mar 05 21:47 | 2021 Mar 05 00:45 |
| Time of closest approach (UTC) | 2021 Jan 23 08:40:25.074 |
| Minimum distance | 2.467 km |
| Height difference | -0.067 km |
| Relative speed | 14.654 km/s |
| Angle between velocity vectors | 159° |
| Geographic position | 33.2°S, 145.5°E |
| Height | 814 km |
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