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KEPLER

KEPLER

Name


      KEPLER

Purpose


      Solve Kepler's equation given mean anomaly and eccentricity.

Category


Calling Sequence


      kepler

Inputs


Keyword Parameters


Keywords


        ANOM=m Mean anomaly in radians (input).
        ECC=e Eccentricity (input).
        TRUE=v True anomaly in radians (output).
        RAD=r Normalized Radius (output).
            Multiply r by semimajor axis.
        SEMI=aa Semimajor axis size. (optional input).
          If given multiplies r.
        X=x, Y=y, Z=z Satellite vector. (optional input).
          In orbit coordinates. Only computed if requested.
        /DEBUG List values.

Outputs


Common Blocks


      kepler_com

Notes


      Note: make sure to give at least ECC in double precision.
        If not then an endless loop may occur.

Modification History


      R. Sterner, 2000 Jul 20
      R. Sterner, 2003 Nov 26 --- Added note to help.
  Copyright (C) 2000, Johns Hopkins University/Applied Physics Laboratory
  This software may be used, copied, or redistributed as long as it is not
  sold and this copyright notice is reproduced on each copy made. This
  routine is provided as is without any express or implied warranties
  whatsoever. Other limitations apply as described in the file disclaimer.txt.



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