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astro/jupiter/nodes.go
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package jupiter
import (
"time"
"b612.me/astro/basic"
"b612.me/astro/calendar"
)
// AscendingNode 木星升交点黄经 / ascending node longitude of Jupiter.
func (module *Jupiter) AscendingNode(date time.Time) float64 {
return module.AscendingNodeN(date, -1)
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}
// AscendingNodeN 木星升交点黄经(n 变体) / n-parameterised ascending node longitude of Jupiter.
func (module *Jupiter) AscendingNodeN(date time.Time, n int) float64 {
jd := calendar.Date2JD(date.UTC())
return basic.JupiterAscendingNodeNWithInstance(basic.UTC2TT(jd), n, module.inst)
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}
// DescendingNode 木星降交点黄经 / descending node longitude of Jupiter.
func (module *Jupiter) DescendingNode(date time.Time) float64 {
return module.DescendingNodeN(date, -1)
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}
// DescendingNodeN 木星降交点黄经(n 变体) / n-parameterised descending node longitude of Jupiter.
func (module *Jupiter) DescendingNodeN(date time.Time, n int) float64 {
jd := calendar.Date2JD(date.UTC())
return basic.JupiterDescendingNodeNWithInstance(basic.UTC2TT(jd), n, module.inst)
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}