| Primary satellite | Secondary satellite |
| Name | MOS 1 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 17528 | 31464 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 19 12:23 | 2021 Jan 19 13:48 |
| Time of closest approach (UTC) | 2020 Dec 03 08:55:41.676 |
| Minimum distance | 12.089 km |
| Height difference | 4.309 km |
| Relative speed | 14.359 km/s |
| Angle between velocity vectors | 151° |
| Geographic position | 55.6°N, 152.0°E |
| Height | 838 km |
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