31 lines
946 B
Go
31 lines
946 B
Go
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package neptune
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import (
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"time"
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"b612.me/astro/basic"
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"b612.me/astro/calendar"
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)
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// AscendingNode 海王星升交点黄经 / ascending node longitude of Neptune.
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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 海王星升交点黄经（截断版） / truncated ascending node longitude of Neptune.
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func AscendingNodeN(date time.Time, n int) float64 {
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jde := calendar.Date2JDE(date.UTC())
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return basic.NeptuneAscendingNodeN(basic.TD2UT(jde, true), n)
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}
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// DescendingNode 海王星降交点黄经 / descending node longitude of Neptune.
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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 海王星降交点黄经（截断版） / truncated descending node longitude of Neptune.
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func DescendingNodeN(date time.Time, n int) float64 {
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jde := calendar.Date2JDE(date.UTC())
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return basic.NeptuneDescendingNodeN(basic.TD2UT(jde, true), n)
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}
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