ㄩㄢˇˋㄉㄧㄢˇyuǎnrìdiǎn

远日点
  1. 行星彗星太陽運行軌道太陽近日點相對)​。

aphelion, the furthest point of a planet in elliptic orbit to the sun, opposite: perihelion 近日點[jin4 ri4 dian3], higher apsis
Aphel (S, Phys)​, Sonnenferne (S)​