| Primary satellite | Secondary satellite |
| Name | Transit 2A Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 47 | 30563 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Mar 07 13:08 | 2021 Mar 08 12:22 |
| Time of closest approach (UTC) | 2021 Jan 22 13:12:36.381 |
| Minimum distance | 27.061 km |
| Height difference | -7.071 km |
| Relative speed | 14.829 km/s |
| Angle between velocity vectors | 162° |
| Geographic position | 34.2°S, 165.8°E |
| Height | 717 km |
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