Last Updated：2025/11/25

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Describing an orbit around the Earth where each passage in the same direction along a given latitude will occur throughout the year at the same true solar time.

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heliosynchronous

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Source Word

heliosynchronous

Adjective

not-comparable

Describing an orbit around the Earth where each passage in the same direction along a given latitude will occur throughout the year at the same true solar time.

Japanese Meaning

地球周回軌道の一種で、特定の緯度を一定の（真太陽）時刻に通過するように設計された軌道、いわゆる『太陽同期軌道』を意味する。

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Google Translation / DeepL Translation

衛星は太陽同期軌道に投入され、その搭載機器は一年を通じて同じ真太陽時に各観測点の上空を通過するようになった。

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Sense（1）

Describing an orbit around the Earth where each passage in the same direction along a given latitude will occur throughout the year at the same true solar time.

A heliosynchronous orbit is an orbit [around the Earth] whose plane precesses by [a little less than] one degree a day around the line of the poles, thus keeping the same position in relation to the Earth-Sun line.

Google Translation / DeepL Translation

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Sense（2）

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heliosynchronous

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heliosynchronous

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