swiftest.core.xv2el

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swiftest.core.xv2el#

swiftest.core.xv2el(mu, rh, vh)#

Convert state vectors to orbital elements

Parameters:

  • mu ((N,) array of floats) – Gravitational parameter

  • rh ((N,3) array of floats) – position vector

  • vh ((N,3) array of floats)

Returns:

  • a ((N,) array of floats) – Semi-major axis

  • e ((N,) array of floats) – Eccentricity

  • inc ((N,) array of floats) – Inclination (degrees)

  • capom ((N,) array of floats) – Longitude of the ascending node (degrees)

  • omega ((N,) array of floats) – Argument of periapsis (degrees)

  • capm ((N,) array of floats) – Mean anomaly (degrees)

  • varpi ((N,) array of floats) – Longitude of periapsis (degrees)

  • lam ((N,) array of floats) – True longitude (degrees)

  • f ((N,) array of floats) – True anomaly (degrees)

  • cape ((N,) array of floats) – Eccentric anomaly (degrees)

  • capf ((N,) array of floats) – Eccentric true anomaly (degrees)

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