# Third-Body Perturbations

Third-body gravitational perturbation accelerations from the Sun, Moon, and planets.

**note**
For conceptual explanations and examples, see [Third-Body Perturbations](../../learn/orbital_dynamics/third_body.md) in the Learn section.

## Analytical Models

::: brahe.accel_third_body_sun

::: brahe.accel_third_body_sun_de

## Moon Perturbations

::: brahe.accel_third_body_moon

::: brahe.accel_third_body_moon_de

::: brahe.accel_third_body_sun_de

::: brahe.accel_third_body_mercury_de

::: brahe.accel_third_body_venus_de

::: brahe.accel_third_body_mars_de

::: brahe.accel_third_body_jupiter_de

::: brahe.accel_third_body_saturn_de

::: brahe.accel_third_body_uranus_de

::: brahe.accel_third_body_neptune_de

## See Also

- [Third-Body Perturbations (Learn)](../../learn/orbital_dynamics/third_body.md) - Conceptual explanation and examples
- [Ephemerides](ephemerides.md) - Sun and Moon position functions
- [Orbital Dynamics Module](index.md) - Complete orbit dynamics API reference