| Primary satellite | Secondary satellite |
| Name | Transit 2A Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 47 | 30715 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Feb 24 15:49 | 2021 Feb 24 01:15 |
| Time of closest approach (UTC) | 2021 Jan 29 13:46:32.312 |
| Minimum distance | 19.927 km |
| Height difference | 5.251 km |
| Relative speed | 14.466 km/s |
| Angle between velocity vectors | 161° |
| Geographic position | 41.4°S, 87.6°W |
| Height | 923 km |
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