| Primary satellite | Secondary satellite |
| Name | ESTCUBE 1 | FENGYUN 1C DEB |
| Spacetrack catalog number | 39161 | 29835 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2023 May 31 22:21 | 2023 May 31 22:41 |
| Time of closest approach (UTC) | 2023 Apr 06 20:00:39.163 |
| Minimum distance | 640.070 km |
| Height difference | -2.461 km |
| Relative speed | 1.660 km/s |
| Angle between velocity vectors | 13° |
| Geographic position | 81.7°N, 73.7°W |
| Height | 665 km |
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