| Primary satellite | Secondary satellite |
| Name | Meteor 1-23 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 8520 | 37579 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 17 20:04 | 2021 Jan 02 09:07 |
| Time of closest approach (UTC) | 2020 Dec 06 18:25:35.150 |
| Minimum distance | 1.224 km |
| Height difference | -0.857 km |
| Relative speed | 14.802 km/s |
| Angle between velocity vectors | 179° |
| Geographic position | 29.3°S, 146.0°W |
| Height | 883 km |
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