Lexell

[lek-suh l]
noun
  1. Astronomy. a comet that passed closer to the earth than any other comet (1770), but now has an orbit that is too distant from the earth for it to be observed.

Origin of Lexell

after Anders Jean Lexell (1740–84), Finnish-born mathematician, who calculated its orbit
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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