docs: def genExamplePlanet(binaryLetter=''):
      """ Creates a fake planet with some defaults
      :param `binaryLetter`: host star is part of a binary with letter binaryletter
      :return:
      """
  
      planetPar = PlanetParameters()
      planetPar.addParam('discoverymethod', 'transit')
      planetPar.addParam('discoveryyear', '2001')
      planetPar.addParam('eccentricity', '0.09')
      planetPar.addParam('inclination', '89.2')
      planetPar.addParam('lastupdate', '12/12/08')
      planetPar.addParam('mass', '3.9')
      planetPar.addParam('name', 'Example Star {0}{1} b'.format(ac._ExampleSystemCount, binaryLetter))
      planetPar.addParam('period', '111.2')
      planetPar.addParam('radius', '0.92')
      planetPar.addParam('semimajoraxis', '0.449')
      planetPar.addParam('temperature', '339.6')
      planetPar.addParam('transittime', '2454876.344')
      planetPar.addParam('separation', '330', {'unit': 'AU'})
  
      examplePlanet = Planet(planetPar.params)
      examplePlanet.flags.addFlag('Fake')
  
      exampleStar = genExampleStar(binaryLetter=binaryLetter)
      exampleStar._addChild(examplePlanet)
      examplePlanet.parent = exampleStar
  
      return examplePlanet