| Primary satellite | Secondary satellite |
| Name | deb Explorer IX | FENGYUN 1C DEB |
| Spacetrack catalog number | 85 | 41010 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2021 Jan 14 10:02 | 2021 Jan 13 05:15 |
| Time of closest approach (UTC) | 2020 Nov 30 17:52:52.901 |
| Minimum distance | 97.780 km |
| Height difference | -1.034 km |
| Relative speed | 12.493 km/s |
| Angle between velocity vectors | 114° |
| Geographic position | 37.0°N, 17.2°W |
| Height | 838 km |
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