| Primary satellite | Secondary satellite |
| Name | ESTCUBE 1 | DMSP 5D-2 F13 DEB |
| Spacetrack catalog number | 39161 | 42260 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2023 May 31 22:21 | 2023 Jun 01 04:32 |
| Time of closest approach (UTC) | 2023 Apr 07 18:33:44.492 |
| Minimum distance | 7272.414 km |
| Height difference | 44.973 km |
| Relative speed | 12.908 km/s |
| Angle between velocity vectors | 119° |
| Geographic position | 36.0°N, 52.1°E |
| Height | 660 km |
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