Earth-Sun Lagrange Points Distance Query

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  • Thread starter Dr Wu
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  • #1
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Hi

Does anyone know what the straight line distances of L4 and L5 are from Earth?

Many thanks.
 

Answers and Replies

  • #3
Janus
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To which L4 and L5 points are you referring to? The Earth-Moon pair or the Sun-Earth pair?
In each case, the chosen Lagrange point and the two celestial bodies form an equilateral triangle.
So in the Earth-Moon case, the Earth-Lagrange point distance is equal to the Moon-Earth distance, and the the Sun-Earth case, it is equal to the Sun-Earth distance.
 
  • #4
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Yes, a quick twirl with a compass and a drawn circle soon showed the error of my ways. This is probably the silliest question I've raised on the forum thus far. I promise to do better next time.
 

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