| Primary satellite | Secondary satellite |
| Name | UWE-3 | FW4S |
| Spacetrack catalog number | 39446 | 1583 |
| Radar cross section | small | medium |
| Epoch of two-line elements (UTC) | 2023 May 31 19:42 | 2023 Jun 01 02:42 |
| Time of closest approach (UTC) | 2023 Apr 01 15:18:59.677 |
| Minimum distance | 554.880 km |
| Height difference | -2.618 km |
| Relative speed | 13.388 km/s |
| Angle between velocity vectors | 124° |
| Geographic position | 68.2°S, 9.4°E |
| Height | 626 km |
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