| Primary satellite | Secondary satellite |
| Name | ESTCUBE 1 | CZ-6A DEB |
| Spacetrack catalog number | 39161 | 55543 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2023 May 28 04:45 | 2023 May 27 23:01 |
| Time of closest approach (UTC) | 2023 Apr 01 17:01:20.212 |
| Minimum distance | 193.286 km |
| Height difference | -2.987 km |
| Relative speed | 8.104 km/s |
| Angle between velocity vectors | 65° |
| Geographic position | 80.8°S, 139.1°E |
| Height | 671 km |
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