Answer: aphelia

AnswerCrossword Clue
APHELIAOrbital extremes (variant spelling)
APHELIAFar-out orbital points
APHELIAOrbital extremes
APHELIAPoints in orbits of planets.
APHELIAHighest orbital points
APHELIAFurthest orbital points
apheliaAPHELION, the farthest point of a planet's orbit from the sun
apheliathe point in the orbit of a planet or a comet at which it is farthest from the sun