sun synchronous orbit

Japanese: sun synchronous orbit(英語表記)sunsynchronousorbit
sun synchronous orbit

...Also, the orbit of a satellite in a polar orbit gradually shifts due to this perturbation, but if the amount of this daily movement is chosen to match the angle of the Earth's revolution around the Sun (approximately 1 degree), the orbital plane can be changed in sync with the Sun. This is called a sun synchronous orbit. Sun synchronous orbits are suitable for scanning a wide area of ​​the Earth's surface, and are used by exploration satellites such as Landsat.

*Some of the terminology explanations that mention "sun synchronous orbit" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…また極軌道上にある衛星の軌道は,この摂動のために昇交点経度がしだいに移動していくが,この1日の移動量を,地球が太陽のまわりを公転する角度(ほぼ1度)に一致するように選ぶと,軌道面を太陽に同期して変化させることができる。これを太陽同期軌道sun synchronous orbitという。太陽同期軌道は地表面を幅広くスキャンするのに適しており,ランドサットなどの探査衛星に用いられている。…

※「sun synchronous orbit」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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