| Primary satellite | Secondary satellite |
| Name | UKube-1 | Cosmos 1825 Rocket |
| Spacetrack catalog number | 40074 | 17567 |
| Radar cross section | medium | large |
| Epoch of two-line elements (UTC) | 2021 Mar 07 12:48 | 2021 Mar 07 20:02 |
| Time of closest approach (UTC) | 2021 Jan 20 13:14:15.812 |
| Minimum distance | 3.747 km |
| Height difference | -1.424 km |
| Relative speed | 15.069 km/s |
| Angle between velocity vectors | 178° |
| Geographic position | 62.0°S, 74.8°W |
| Height | 642 km |
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