15 lines
274 B
Go
15 lines
274 B
Go
package earth
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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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// EarthEccentricity 地球偏心率
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// 返回date对应UTC时间的地球偏心率
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func EarthEccentricity(date time.Time) float64 {
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jde := basic.Date2JDE(date.UTC())
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return basic.Earthe(basic.TD2UT(jde, true))
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}
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