近日点
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<timefyi-glossary slug="perihelion"></timefyi-glossary>定義
地球の楕円軌道で太陽に最も近い点で、毎年1月3〜4日頃に発生する。近日点では地球は太陽から約1億4710万km — 遠日点より約3%近い距離にある。