Synonyms for perihelion
ˌpɛr əˈhi li ən, -ˈhil yən; -ˈhi li ə, -ˈhil yəper·i·he·lion

WiktionaryRate these synonyms:0.0 / 0 votes

1. perihelionnoun

   Antonyms:
   aphelion

2. perihelionnoun

   Antonyms:
   aphelion

Princeton's WordNetRate this antonym:0.0 / 0 votes

1. perihelionnoun

   periapsis in solar orbit; the point in the orbit of a planet or comet where it is nearest to the sun

   Antonyms:
   aphelion

Matched Categories

1. • Periapsis

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How to use perihelion in a sentence?

1. Nicky Fox:

   We're very happy, we've managed to bring down at least twice as much data as we originally suspected we'd get from those first two perihelion passes.

2. Patrick Martin:

   This time, as we're riding along next to the comet, the most logical way to end the mission is to set Rosetta down on the surface, but there is still a lot to do to confirm that this end-of-mission scenario is possible. We'll first have to see what the status of the spacecraft is after perihelion and how well it is performing close to the comet, and later we will have to try and determine where on the surface we can have a touchdown.