| Primary satellite | Secondary satellite |
| Name | LilacSat-2 | PROMETHEUS 2-3 |
| Spacetrack catalog number | 40908 | 41855 |
| Radar cross section | small | small |
| Epoch of two-line elements (UTC) | 2025 Apr 29 04:14 | 2025 Apr 28 11:52 |
| Time of closest approach (UTC) | 2025 Mar 22 07:45:31.100 |
| Minimum distance | 285.205 km |
| Height difference | 7.341 km |
| Relative speed | 15.114 km/s |
| Angle between velocity vectors | 164° |
| Geographic position | 10.1°N, 15.2°W |
| Height | 456 km |
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