--[[
Astronomical data

Copyright (c) 2021 Thomas Jenni

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]]--
local prefix = ... and (...):match '(.-%.?)[^%.]+$' or ''
local N = require(prefix..'physical-number')

local Astronomical = {}



Astronomical.Sun = {
	
	-- http://asa.usno.navy.mil/static/files/2014/Astronomical_Constants_2014.pdf
	Mass = N(1.9884e30, 0.0002e30) * _kg,

	-- Andrej Prsa, Petr Harmanec, Guillermo Torres et al.
	-- Nominal values for selected solar and planetary quantities: IAU 2015 Resolution B3, 
	-- The Astronomical Journal, 2016, Vol. 152, No. 2, Page 41
	-- https://arxiv.org/pdf/1605.09788.pdf
	Radius = N(695658, 100) * _km,

	-- https://sites.google.com/site/mamajeksstarnotes/basic-astronomical-data-for-the-sun
	MeanRadiativeLuminosity = N(3.8275,0.0014) * 1e26 * _W,

	EffectiveTemperature = N(5772.0,0.8) * _K,

	SpectralType = "G2V",

	-- https://ssd.jpl.nasa.gov/?constants#pc
	MassParameter = N(1.32712440018e20,8e9) * _m^3 * _s^-2,
}

Astronomical.Mercury = {
	
	-- Mohr et al. 2016
	Mass = N(3.301110e23, 0.00015e23) * _kg,

	-- Perry et al. 2015
	AverageRadius = N(2439.36, 0.02) * _km,

	Density = N(5429.30, 0.28) * _kg/_m^3
}

Astronomical.Venus = {
	
	--Source: http://asa.usno.navy.mil/static/files/2014/Astronomical_Constants_2014.pdf
	Mass = N(4.86728e24, 0.00049e24) * _kg,

	--Source: http://asa.usno.navy.mil/static/files/2014/Astronomical_Constants_2014.pdf
	EquatorialRadius = N(6051.8, 1.0) * _km
}

Astronomical.Earth = {
	
	--Source: http://asa.usno.navy.mil/static/files/2014/Astronomical_Constants_2014.pdf
	Mass = N(5.9722e24, 0.0006e24) * _kg,
	
	--Source: http://asa.usno.navy.mil/static/files/2014/Astronomical_Constants_2014.pdf
	EquatorialRadius = N(6378.1366, 0.0001) * _km
}

Astronomical.Moon = {
	
	--Source: http://asa.usno.navy.mil/static/files/2014/Astronomical_Constants_2014.pdf
	Mass = N(7.34583e22, 0.00074e22) * _kg,
	
	--Source: http://asa.usno.navy.mil/static/files/2014/Astronomical_Constants_2014.pdf
	EquatorialRadius = N(1737.4, 1) * _km
}

Astronomical.Mars = {
	
	--Source: http://asa.usno.navy.mil/static/files/2014/Astronomical_Constants_2014.pdf
	Mass = N(6.41688e23, 0.00064e23) * _kg,
	
	--Source: http://asa.usno.navy.mil/static/files/2014/Astronomical_Constants_2014.pdf
	EquatorialRadius = N(3396.19, 0.1) * _km
}

Astronomical.Jupiter = {
	--Source: http://asa.usno.navy.mil/static/files/2014/Astronomical_Constants_2014.pdf
	Mass = N(1.89851e27, 0.00019e27) * _kg,
	
	--Source: http://asa.usno.navy.mil/static/files/2014/Astronomical_Constants_2014.pdf
	EquatorialRadius = N(71492, 4) * _km
}

Astronomical.Saturn = {
	
	--Source: http://asa.usno.navy.mil/static/files/2014/Astronomical_Constants_2014.pdf
	Mass = N(5.6846e26, 0.0006e26) * _kg,
	
	--Source: http://asa.usno.navy.mil/static/files/2014/Astronomical_Constants_2014.pdf
	EquatorialRadius = N(60268, 4) * _km
}

Astronomical.Uranus = {
	
	--Source: http://asa.usno.navy.mil/static/files/2014/Astronomical_Constants_2014.pdf
	Mass = N(8.68184e25, 0.00087e25) * _kg,
	
	--Source: http://asa.usno.navy.mil/static/files/2014/Astronomical_Constants_2014.pdf
	EquatorialRadius = N(25559, 4) * _km
}

Astronomical.Neptune = {
	
	--Source: http://asa.usno.navy.mil/static/files/2014/Astronomical_Constants_2014.pdf
	Mass = N(1.0243e26, 0.0001e26) * _kg,
	
	--Source: http://asa.usno.navy.mil/static/files/2014/Astronomical_Constants_2014.pdf
	EquatorialRadius = N(24764, 15) * _km
}

Astronomical.Pluto = {
	
	--Source: http://asa.usno.navy.mil/static/files/2014/Astronomical_Constants_2014.pdf
	Mass = N(1.45600e22, 0.00033e22) * _kg,
	
	--Source: http://asa.usno.navy.mil/static/files/2014/Astronomical_Constants_2014.pdf
	EquatorialRadius = N(1195, 5) * _km
}

Astronomical.Eris = {
	
	--Source: http://asa.usno.navy.mil/static/files/2014/Astronomical_Constants_2014.pdf
	Mass = N(1.670e22, 0.019e22) * _kg,
	
	--Source: http://meetingorganizer.copernicus.org/EPSC-DPS2011/EPSC-DPS2011-137-8.pdf
	Radius = N(1163, 6)*_km,
	Density = N(2.5, 0.05) * _g/_cm^3,
	Albedo = N(0.96, 0.09) * _1
}

Astronomical.Ceres = {
	
	--Source: http://asa.usno.navy.mil/static/files/2014/Astronomical_Constants_2014.pdf
	Mass = N(9.39e20, 0.060e20) * _kg
}

Astronomical.Pallas = {
	
	--Source: http://asa.usno.navy.mil/static/files/2014/Astronomical_Constants_2014.pdf
	Mass = N(2.048e20, 0.060e20) * _kg
}

Astronomical.Vesta = {
	
	--Source: http://asa.usno.navy.mil/static/files/2014/Astronomical_Constants_2014.pdf
	Mass = N(2.684e20, 0.06e20) * _kg
}

return Astronomical
