2026-05-01 22:38:44 +08:00
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package jupiter
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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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// PhysicalInfo 木星物理观测参数 / physical observing parameters of Jupiter.
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type PhysicalInfo struct {
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// SubEarthLongitude 子地经度,单位度;采用 Jupiter 当前 IAU/Horizons 西经为正约定。
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SubEarthLongitude float64
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// SubEarthLatitude 子地纬度,单位度。
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SubEarthLatitude float64
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// SubSolarLongitude 子日经度,单位度;采用 Jupiter 当前 IAU/Horizons 西经为正约定。
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SubSolarLongitude float64
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// SubSolarLatitude 子日纬度,单位度。
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SubSolarLatitude float64
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// NorthPolePositionAngle 木星北极位置角,单位度。
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NorthPolePositionAngle float64
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// DS 太阳相对木星赤道的行星中心赤纬,单位度。
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DS float64
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// DE 地球相对木星赤道的行星中心赤纬,单位度。
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DE float64
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// CentralMeridianSystemI 木星 System I 照亮盘中央经线,单位度,西经为正。
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CentralMeridianSystemI float64
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// CentralMeridianSystemII 木星 System II 照亮盘中央经线,单位度,西经为正。
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CentralMeridianSystemII float64
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// CentralMeridianSystemIII 木星 System III 盘面中央经线,单位度,西经为正。
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CentralMeridianSystemIII float64
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}
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// CentralMeridianInfo 木星 System I/II/III 中央经线 / Jupiter System I/II/III central meridians.
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type CentralMeridianInfo struct {
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// SystemI 木星 System I 照亮盘中央经线,单位度,西经为正。
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SystemI float64
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// SystemII 木星 System II 照亮盘中央经线,单位度,西经为正。
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SystemII float64
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// SystemIII 木星 System III 盘面中央经线,单位度,西经为正。
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SystemIII float64
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}
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// Physical 木星物理观测参数 / physical observing parameters of Jupiter.
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2026-10-15 23:54:15 +08:00
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func (module *Jupiter) Physical(date time.Time) PhysicalInfo {
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return module.PhysicalN(date, -1)
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2026-05-01 22:38:44 +08:00
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}
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2026-10-15 23:54:15 +08:00
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// PhysicalN 木星物理观测参数(n 变体) / n-parameterised physical observing parameters of Jupiter.
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func (module *Jupiter) PhysicalN(date time.Time, n int) PhysicalInfo {
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2026-09-23 18:55:12 +08:00
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jd := basic.Date2JD(date.UTC())
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jde := basic.UTC2TT(jd)
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2026-10-15 23:54:15 +08:00
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info := basic.JupiterPhysicalNWithInstance(jde, n, module.inst)
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meridians := basic.JupiterCentralMeridiansNWithInstance(jde, n, module.inst)
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ds, de := basic.JupiterDSDENWithInstance(jde, n, module.inst)
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2026-05-01 22:38:44 +08:00
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return PhysicalInfo{
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SubEarthLongitude: info.SubEarthLongitude,
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SubEarthLatitude: info.SubEarthLatitude,
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SubSolarLongitude: info.SubSolarLongitude,
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SubSolarLatitude: info.SubSolarLatitude,
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NorthPolePositionAngle: info.NorthPolePositionAngle,
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DS: ds,
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DE: de,
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CentralMeridianSystemI: meridians.SystemI,
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CentralMeridianSystemII: meridians.SystemII,
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CentralMeridianSystemIII: meridians.SystemIII,
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}
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}
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// CentralMeridians 木星 System I/II/III 中央经线 / Jupiter System I/II/III central meridians.
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2026-10-15 23:54:15 +08:00
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func (module *Jupiter) CentralMeridians(date time.Time) CentralMeridianInfo {
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return module.CentralMeridiansN(date, -1)
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2026-05-01 22:38:44 +08:00
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}
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2026-10-15 23:54:15 +08:00
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// CentralMeridiansN 木星 System I/II/III 中央经线(n 变体) / n-parameterised Jupiter System I/II/III central meridians.
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func (module *Jupiter) CentralMeridiansN(date time.Time, n int) CentralMeridianInfo {
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2026-09-23 18:55:12 +08:00
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jd := basic.Date2JD(date.UTC())
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2026-10-15 23:54:15 +08:00
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info := basic.JupiterCentralMeridiansNWithInstance(basic.UTC2TT(jd), n, module.inst)
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2026-05-01 22:38:44 +08:00
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return CentralMeridianInfo{
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SystemI: info.SystemI,
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SystemII: info.SystemII,
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SystemIII: info.SystemIII,
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}
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}
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