rtubio / Orekit

OREKIT is a free low level space dynamics library written in Java. It provides basic elements (orbits, dates, attitude, frames, ...) and various algorithms to handle them (conversions, analytical and numerical propagation, pointing, ...).

Home Page:http://www.orekit.org/

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Orekit (ORbit Extrapolation KIT) is a free java library
providing basic space dynamics objects and services.

It is licensed by CS Systèmes d'Information under the
Apache License Version 2.0. A copy of this license is
provided in the LICENSE.txt file.

The BUILDING.txt file explains how the library can be built from sources.

The src/main/java directory contains the library sources.
The src/main/resources directory contains the library data.
The src/test/java directory contains the tests sources.
The src/test/resources directory contains the tests data.
The src/tutorials/java directory contains sources for example use of the library.
The src/tutorials/resources directory contains example data.
The src/design directory contains pieces for a UML model of the library.

Orekit relies on the following free software, all released under
business friendly free licenses.

compile-time/run-time dependency:

  - Hipparchus from the Hipparchus project
    https://hipparchus.org/
    released under the Apache Software License, version 2

test-time dependency:

  - JUnit 4 from Erich Gamma and Kent Beck
    http://www.junit.org/
    released under the Common Public License Version 1.0

About

OREKIT is a free low level space dynamics library written in Java. It provides basic elements (orbits, dates, attitude, frames, ...) and various algorithms to handle them (conversions, analytical and numerical propagation, pointing, ...).

http://www.orekit.org/

License:Apache License 2.0


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