| Primary satellite | Secondary satellite |
| Name | Transit 2A Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 47 | 31285 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 25 16:47 | 2021 Jan 24 12:33 |
| Time of closest approach (UTC) | 2020 Dec 07 09:54:32.862 |
| Minimum distance | 47.078 km |
| Height difference | 0.551 km |
| Relative speed | 7.367 km/s |
| Angle between velocity vectors | 58° |
| Geographic position | 54.8°N, 30.2°W |
| Height | 680 km |
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