| Primary satellite | Secondary satellite |
| Name | Cosmos 2221 | FENGYUN 1C DEB |
| Spacetrack catalog number | 22236 | 31920 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2022 Jul 03 20:50 | 2022 Jul 03 10:56 |
| Time of closest approach (UTC) | 2022 May 26 20:02:53.181 |
| Minimum distance | 8.325 km |
| Height difference | 3.599 km |
| Relative speed | 15.054 km/s |
| Angle between velocity vectors | 169° |
| Geographic position | 79.2°N, 12.3°E |
| Height | 609 km |
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