| Primary satellite | Secondary satellite |
| Name | Cosmos 407 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 5175 | 31366 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Feb 24 18:47 | 2021 Feb 23 05:52 |
| Time of closest approach (UTC) | 2021 Jan 20 17:06:45.690 |
| Minimum distance | 8.256 km |
| Height difference | 3.423 km |
| Relative speed | 14.862 km/s |
| Angle between velocity vectors | 171° |
| Geographic position | 35.2°S, 76.5°W |
| Height | 791 km |
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