asteroid vs new moon

asteroid

noun
  • In the Solar system, such a body that orbits within the orbit of Jupiter 

  • Any member of the taxonomic class Asteroidea; a starfish 

  • A naturally occurring solid object, which is smaller than a planet, larger than a meteoroid and not a comet, that orbits a star and often has an irregular shape. 

new moon

noun
  • The moon when it is in conjunction with the sun. 

  • The moon when it is waxing. 

  • The day when the new moon is first seen or is expected to appear. 

  • The phase of the moon when it is waxing. 

  • The phase of the moon when it is in conjunction with the sun and is therefore obscured. 

How often have the words asteroid and new moon occurred in a corpus of books? (source: Google Ngram Viewer )