| Primary satellite | Secondary satellite |
| Name | UKube-1 | deb Kosmos-249 |
| Spacetrack catalog number | 40074 | 19317 |
| Radar cross section | medium | small |
| Epoch of two-line elements (UTC) | 2021 Mar 07 12:48 | 2021 Mar 07 15:21 |
| Time of closest approach (UTC) | 2021 Jan 20 06:24:12.122 |
| Minimum distance | 18.335 km |
| Height difference | -0.851 km |
| Relative speed | 15.011 km/s |
| Angle between velocity vectors | 156° |
| Geographic position | 36.0°S, 174.6°W |
| Height | 627 km |
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