太陽周回軌道 たいようしゅうかいきどう Meanings Noun heliocentric orbit; circumsolar orbit Kanji 太 thick. Read as タイ. 陽 sunshine. Read as ヨウ. 周 around. Read as シュウ. 回 times. Read as カイ. 軌 track 道 road. Read as ドウ. Word lists Astronomy Jinuma: Japanese Dictionary · Word lists