The technical documentation describes the architecture of the main packages and shows how to use Orekit. Please choose the Orekit release for which you want to consult the technical documentation:
Under development 12.1.3 12.1.2 12.1.1 12.1 12.0.2 12.0.1 12.0 11.3.3 11.3.2 11.3.1 11.3 11.2.1 11.2 11.1.2 11.1.1 11.1 11.0.2 11.0.1 11.0 10.3.1 10.3 10.2 10.1 10.0 9.3.1 9.3 9.2 9.1 9.0.1 9.0 8.0.1 8.0 7.2.1 7.2 7.1 7.0 6.1
Learn about the main design choices: