| Primary satellite | Secondary satellite |
| Name | Cosmos 407 Rocket | FENGYUN 1C DEB |
| Spacetrack catalog number | 5175 | 32137 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2021 Feb 24 18:47 | 2021 Feb 23 11:03 |
| Time of closest approach (UTC) | 2021 Jan 18 00:36:26.437 |
| Minimum distance | 8.430 km |
| Height difference | 5.007 km |
| Relative speed | 13.872 km/s |
| Angle between velocity vectors | 137° |
| Geographic position | 73.5°N, 63.3°W |
| Height | 784 km |
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