| 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 18 03:56 | 2025 May 17 11:54 |
| Time of closest approach (UTC) | 2024 Apr 28 12:26:12.696 |
| Minimum distance | 3887.314 km |
| Height difference | 16.736 km |
| Relative speed | 13.610 km/s |
| Angle between velocity vectors | 130° |
| Geographic position | 69.6°S, 166.4°E |
| Height | 663 km |
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