| Primary satellite | Secondary satellite |
| Name | ESTCUBE 1 | FENGYUN 1C DEB |
| Spacetrack catalog number | 39161 | 31934 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2023 May 31 22:21 | 2023 May 31 02:55 |
| Time of closest approach (UTC) | 2023 Apr 02 11:55:46.828 |
| Minimum distance | 2689.325 km |
| Height difference | 3.393 km |
| Relative speed | 13.843 km/s |
| Angle between velocity vectors | 133° |
| Geographic position | 46.4°N, 14.3°W |
| Height | 655 km |
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