| Primary satellite | Secondary satellite |
| Name | Meteor 1-23 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 8520 | 33718 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 23 09:00 | 2021 Jan 23 02:21 |
| Time of closest approach (UTC) | 2020 Dec 08 23:35:22.196 |
| Minimum distance | 29.242 km |
| Height difference | 2.183 km |
| Relative speed | 10.706 km/s |
| Angle between velocity vectors | 92° |
| Geographic position | 77.3°S, 95.3°W |
| Height | 868 km |
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