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SunPlanetMoonParameters.m
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SunPlanetMoonParameters.m
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%{
...
Created on 8/3/2020 1:26 AM
This file contains some important parameters of Sun,Planets and Natural
Satellites
natural Satellites in order
-------------------
- First four belongs to Jovian
- Earth's
- Saturn's
- Neptune's
Inputs
------
1) Primary - Sun or any of the nine planets
2) Secondary - Any of nine Planets or any of Moons Listed
Outputs
--------
1) mu - The Constant Mass Parameter for ThreeBodyProblem.
Reference
-----------
All the values are taken from NASA Planetary facts(can be obtained online).
Some more will be added later
...
%}
function [mu] = SunPlanetMoonParameters(Primary,Secondary)
Mass_Mfactor = 1e24;
SunDist = 1e6;
%% Star Parameters
% ---------------------
Star.Name = {'Sun'};
Star.Mass = 1988500*Mass_Mfactor;
Star.G_accel = 274.0;
Star.EscapeVelocity = 617.6;
Star.SiderealRotPeriod = 609.12;
Star.Obliquity = 7.25;
%% Planet Parameters
% ----------------------
Planets.Names = {'Mercury' 'Venus' 'Earth' 'Mars' 'Jupiter' 'Saturn' 'Uranus' 'Neptune' 'Pluto'};
Planets.Masses = [0.033011 4.8675 5.9723 0.64171 1898.19 568.34 86.813 102.413 0.01303]*Mass_Mfactor;
Planets.G_accel = [3.70 8.87 9.798 3.71 24.79 10.44 8.87 11.15 0.62];
Planets.EscapeVelocity = [4.3 10.36 11.186 5.03 59.5 35.5 21.3 23.5 1.21];
Planets.Perhelion = [46.00 107.48 147.09 206.62 740.52 1352.55 2741.30 4444.45 4436.82]*SunDist;
Planets.Aphelion = [69.82 108.94 152.10 249.23 816.62 1514.50 3003.62 4545.64 7375.93]*SunDist;
Planets.MaxOrbitalVel = [47.36 35.26 30.29 26.50 13.72 10.18 7.11 5.50 6.10];
Planets.MinOrbitalVel = [38.86 34.79 29.29 21.97 12.44 9.09 6.46 5.37 3.71];
Planets.SiderealRotPeriod = [1407.6 -5832.6 23.9345 24.6229 9.9250 10.656 -17.24 16.11 -153.2928];
Planets.LengthofDay = [4222.6 2802.00 24 24.6597 9.9259 10.656 17.24 16.11 153.2820];
Planets.Obliquity = [0.034 177.36 23.44 25.19 3.13 26.73 82.23 28.32 122.53];
Planets.Eccentricity = [0.2056 0.0067 0.0167 0.0935 0.0489 0.0565 0.0457 0.0113 0.2488];
Planets.MeanOrbitalVel = (Planets.MaxOrbitalVel + Planets.MinOrbitalVel)/2;
Planets.SemiMajorAxis = (Planets.Perhelion + Planets.Aphelion)/2;
%% Moons Parameters
% --------------------
Moons.Names = {'Callisto' 'Ganymede' 'Europa' 'IO' 'Moon' 'Titan' 'Triton'};
Moons.Masses = [107.6 148.2 48.0 89.3 73.5 134.6 21.5]*1e21;
Moons.G_accel = [1.24 1.43 1.31 1.80 1.6 1.35 0.78];
Moons.EscapeVelocity = [2.4 2.7 2.0 2.6 2.4 2.6 1.5];
Moons.Periapse = [1870 1068 664 420 363 1186 354.76]*1e3;
Moons.Apoapse = [1896 1072 678 424 406 1258 354.76]*1e3;
Moons.OrbitalVel = [8.2 10.9 13.7 17.3 1.052 5.6 4.4];
Moons.OrbitalPeriod = [16.689017 7.154553 3.551181 1.769138 27.3217 15.945421 5.87685];
Moons.Inclination = [0.19 0.18 0.47 0.04 18.28 0.33 157.345];
Moons.Eccentricty = [0.007 0.001 0.009 0.004 0.0549 0.0292 0.000016];
Moons.SemimajorAxis = [1882.7 1070.4 671.1 421.8 384.4 1221.83 354.76]*1e3;
%% Required Outputs
% ---------------------
if strcmpi('Sun',Primary) == 1 && any(contains(Planets.Names,Secondary,'IgnoreCase',true))
Prim_Mass = Star.Mass;
Index = contains(Planets.Names,Secondary,'IgnoreCase',true);
Sec_Mass = Planets.Masses(Index);
elseif any(contains(Planets.Names,Primary,'IgnoreCase',true))
Index1 = contains(Planets.Names,Primary,'IgnoreCase',true);
Prim_Mass = Planets.Masses(Index1);
Index2 = contains(Moons.Names,Secondary,'IgnoreCase',true);
Sec_Mass = Moons.Masses(Index2);
elseif strcmpi('Sun',Primary) == 1 && strcmpi('EarthMoon',Secondary)
Prim_Mass = Star.Mass;
Sec_Mass = Planets.Masses(3) + Moons.Masses(5);
end
mu = Sec_Mass/(Sec_Mass + Prim_Mass);
end