30 lines
897 B
Go
30 lines
897 B
Go
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package moon
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import (
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"time"
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"b612.me/astro/basic"
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)
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// AscendingNode 月球升交点黄经 / ascending node longitude of the Moon.
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func AscendingNode(date time.Time) float64 {
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return AscendingNodeN(date, -1)
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}
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// AscendingNodeN 月球升交点黄经（截断版） / truncated ascending node longitude of the Moon.
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func AscendingNodeN(date time.Time, n int) float64 {
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jde := basic.TD2UT(basic.Date2JDE(date.UTC()), true)
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return basic.MoonAscendingNodeN(jde, n)
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}
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// DescendingNode 月球降交点黄经 / descending node longitude of the Moon.
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func DescendingNode(date time.Time) float64 {
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return DescendingNodeN(date, -1)
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}
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// DescendingNodeN 月球降交点黄经（截断版） / truncated descending node longitude of the Moon.
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func DescendingNodeN(date time.Time, n int) float64 {
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jde := basic.TD2UT(basic.Date2JDE(date.UTC()), true)
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return basic.MoonDescendingNodeN(jde, n)
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}
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