| Primary satellite | Secondary satellite |
| Name | Ariane Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 23561 | 32241 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 17 18:36 | 2021 Jan 17 03:52 |
| Time of closest approach (UTC) | 2020 Dec 06 09:32:00.434 |
| Minimum distance | 174.641 km |
| Height difference | -0.333 km |
| Relative speed | 9.720 km/s |
| Angle between velocity vectors | 81° |
| Geographic position | 77.8°N, 29.0°E |
| Height | 774 km |
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