30 lines
1.3 KiB
Go
30 lines
1.3 KiB
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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// TopocentricPhysical 月球站心物理观测参数 / topocentric physical observing parameters of the Moon.
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//
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// date 为观测时刻；observerLon/observerLat 为观测者经纬度，东正西负、北正南负；height 为海拔高度，单位米。
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// date is the observing instant; observerLon/observerLat are east-positive and north-positive; height is observer elevation in meters.
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func TopocentricPhysical(date time.Time, observerLon, observerLat, height float64) PhysicalInfo {
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return TopocentricPhysicalN(date, observerLon, observerLat, height, -1)
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}
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// TopocentricPhysicalN 月球站心物理观测参数（截断版） / truncated topocentric physical observing parameters of the Moon.
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func TopocentricPhysicalN(date time.Time, observerLon, observerLat, height float64, n int) PhysicalInfo {
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info := basic.MoonTopocentricPhysicalN(observationTT(date), observerLon, observerLat, height, n)
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return PhysicalInfo{
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OpticalLongitude: info.OpticalLongitude,
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OpticalLatitude: info.OpticalLatitude,
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PhysicalLongitude: info.PhysicalLongitude,
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PhysicalLatitude: info.PhysicalLatitude,
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LibrationLongitude: info.LibrationLongitude,
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LibrationLatitude: info.LibrationLatitude,
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PositionAngle: info.PositionAngle,
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}
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}
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