Sun Position (VSOP87)

版本 2.0.0 (2.0 MB) 作者: Meysam Mahooti
VSOP87 defines the analytical solutions to the motions of the solar system planets
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更新时间 2024/8/23

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The main version of VSOP87 defines elliptic variables for the planets as a function of time. The VSOP data provides the following elliptic variables:
A the semi-major axis in Astronomic Units (AU where 1AU = 149597870.7km)
L the mean longitude
k = e cos π where e is the eccentricity and π is the longitude of the perihelion
h = e sin π
q = sin i/2 cos Ω where i is inclination and Ω is the longitude of the ascending node
p = sin i/2 sin Ω
The calculations are based on the time in Julian centuries after the J2000 epoch 2000-01-01 12:00:00.
T = (JDE - 2451545)/365250
References:
https://github.com/EranOfek/AstroPack
https://celestrak.org/SpaceData/EOP-All.txt

引用格式

Meysam Mahooti (2025). Sun Position (VSOP87) (https://www.mathworks.com/matlabcentral/fileexchange/77248-sun-position-vsop87), MATLAB Central File Exchange. 检索时间: .

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Sun Position_VSOP87

版本 已发布 发行说明
2.0.0

It was revised on 2024-08-23.
1.1.1

Mjday.m was modified.
1.1.0

test_SunPosition.m is modified.
1.0.0