| Primary satellite | Secondary satellite |
| Name | UKube-1 | IRIDIUM 33 DEB |
| Spacetrack catalog number | 40074 | 35054 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2021 Mar 07 12:48 | 2021 Mar 07 05:40 |
| Time of closest approach (UTC) | 2021 Jan 23 06:36:38.797 |
| Minimum distance | 50.949 km |
| Height difference | 0.907 km |
| Relative speed | 14.293 km/s |
| Angle between velocity vectors | 142° |
| Geographic position | 79.9°N, 47.7°W |
| Height | 627 km |
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