| 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 21:39:41.272 |
| Minimum distance | 7.143 km |
| Height difference | 4.105 km |
| Relative speed | 15.055 km/s |
| Angle between velocity vectors | 169° |
| Geographic position | 79.2°N, 12.0°W |
| Height | 609 km |
|