| Primary satellite | Secondary satellite |
| Name | ESTCUBE 1 | deb Kosmos-1110 |
| Spacetrack catalog number | 39161 | 15784 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2025 May 19 02:40 | 2025 May 18 23:19 |
| Time of closest approach (UTC) | 2024 Apr 28 11:44:44.343 |
| Minimum distance | 937.795 km |
| Height difference | -8.048 km |
| Relative speed | 13.029 km/s |
| Angle between velocity vectors | 119° |
| Geographic position | 79.9°N, 105.3°E |
| Height | 644 km |
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