| Primary satellite | Secondary satellite |
| Name | Transit 2A Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 47 | 29934 |
| Radar cross section | large | medium |
| Epoch of two-line elements (UTC) | 2021 Jan 14 21:07 | 2021 Jan 14 18:20 |
| Time of closest approach (UTC) | 2020 Nov 28 04:37:28.971 |
| Minimum distance | 41.591 km |
| Height difference | 2.193 km |
| Relative speed | 14.955 km/s |
| Angle between velocity vectors | 160° |
| Geographic position | 39.4°N, 99.5°E |
| Height | 649 km |
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