| Primary satellite | Secondary satellite |
| Name | Transit 2A Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 47 | 37415 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Jan 25 16:47 | 2021 Jan 24 23:15 |
| Time of closest approach (UTC) | 2020 Dec 06 06:53:38.594 |
| Minimum distance | 5.790 km |
| Height difference | 5.772 km |
| Relative speed | 14.683 km/s |
| Angle between velocity vectors | 163° |
| Geographic position | 31.9°N, 108.0°W |
| Height | 882 km |
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