| Primary satellite | Secondary satellite |
| Name | Meteor 2-9 Rocket | deb Feng Yun 1B |
| Spacetrack catalog number | 13719 | 21911 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 25 14:35 | 2021 Jan 26 09:18 |
| Time of closest approach (UTC) | 2020 Dec 03 19:49:03.923 |
| Minimum distance | 4.476 km |
| Height difference | -1.519 km |
| Relative speed | 14.820 km/s |
| Angle between velocity vectors | 174° |
| Geographic position | 81.2°S, 108.2°E |
| Height | 854 km |
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