ProjCirc:

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   Calculates orbital elements for projected circular formation.

   Since version 7.
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   Form:
   [el,rhill,vhill] = ProjCirc(aRef,iRef,kSats,rF,type)
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   ------
   Inputs
   ------
   aRef           (1)      semi-major axis of reference orbit [km]
   iRef           (1)      inclination of reference orbit     [rad]
   kSats          (1)      number of satellites
   rF             (1)      formation radius                   [km]
   type           (1)      formation type
                                1 = equally phased (default)
                                2 = equal inclinations

   -------
   Outputs
   -------
   el            (kSats,6)     orbital elements of all spacecraft
   rhill         (3,kSats)     position vectors in Hill's frame  [km]
   vhill         (3,kSats)     velocity vectors in Hill's frame  [km/s]

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  ref:Satellite Formation Flying Design & Evolution
      AAS 99-121, Sabol, Burns, McLaughlin

Children:

FormationFlying: Coord/PCState
FormationFlying: Transformation/ECI2Hills
FormationFlying: Transformation/Hills2ECI
OrbitMiniToolbox: Support/El2RV
SC: BasicOrbit/OrbRate
SC: BasicOrbit/RV2El