| Primary satellite | Secondary satellite |
| Name | Transit 2A Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 47 | 30762 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Mar 07 13:08 | 2021 Mar 07 18:32 |
| Time of closest approach (UTC) | 2021 Jan 24 20:26:13.342 |
| Minimum distance | 34.349 km |
| Height difference | -7.046 km |
| Relative speed | 13.666 km/s |
| Angle between velocity vectors | 135° |
| Geographic position | 64.2°S, 149.6°E |
| Height | 893 km |
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