berger_tls: Calculate true anomaly and true longitude

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berger_tlsR Documentation

Calculate true anomaly and true longitude

Description

Calculate true anomaly and true longitude

Usage

berger_tls(n, N, ke = 0.0167, keps = 23.44, komega = 283, pir = pi/180)

Arguments

n

Numeric, day of year.

N

Numeric, days in a year.

ke

double, eccentricity of earth's orbit. Default: 0.01670, 2000CE (Berger, 1978).

keps

double, obliquity of earth's elliptic. Default: 23.44, 2000CE (Berger, 1978).

komega

double, lon. of perihelion, degrees Default: 283, 2000CE (Berger, 1978).

pir

π (~ 0.017453) in radians.

Value

True anomaly and true longitude for a given day.

References

Berger, A.L., 1978. Long-term variations of daily insolation and Quaternary climatic changes. Journal of Atmospheric Sciences, 35(12), pp.2362-2367. doi: 10.1175/1520-0469(1978)035<2362:LTVODI>2.0.CO;2


splash documentation built on Oct. 12, 2022, 5:07 p.m.