donnager 0.1.2

Blazingly fast astrodynamics calculations in Rust
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53

/*
Constants
*/

/// Gravity
/// -------

/// Newtonian Gravitational constant
pub const GRAV_CONST: f64 = 6.6743015e-11; // m^3 * kg^-1 * s^-2

/// Mass of the Sun in kilograms
pub const SUN_MASS: f64 = 1.9891e30; // kg
/// Radius of the Sun in meters
pub const SUN_RADIUS_EQUATOR: f64 = 9.6e7; // m
/// Sun centered gravitational parameter
pub const SUN_GRAV_PARAM: f64 = SUN_MASS * GRAV_CONST;
pub const SUN_LUMINOSITY: f64 = 3.828e26; // Watts

/// Mean Solar Flux at 1 AU
pub const SUN_MEAN_SOLAR_FLUX: f64 = 1366.91; // Watts * m-2

/// Mass of the Earth in kilograms
pub const EARTH_MASS: f64 = 5.972e24; // kg
/// Radius of Earth at equator in meters
pub const EARTH_RADIUS_EQUATOR: f64 = 6.378137e6; // m
/// Earth centered gravitational parameter
pub const EARTH_GRAV_PARAM: f64 = EARTH_MASS * GRAV_CONST; // m^3 * s^-2
pub const EARTH_ECC: f64 = 0.08182;
pub const EARTH_ROT_RATE: f64 = 7.2921150e-5; // radians per second;
pub const EARTH_ORBIT_SEMI_MAJOR: f64 = 149.60e6;
pub const EARTH_ORBIT_ECC: f64 = 0.0167086;

/// Electromagnetism
/// ----------------

/// Speed of light in a vacuum `m * s^-1`
pub const SPEED_OF_LIGHT: f64 = 2.99792458e8;
pub const ELECTRIC_CONST: f64 = 8.8541878123; // F * m^-1
pub const PLANCKS_CONST: f64 = 6.62607015e-34; // J * Hz-1
pub const BOLTZMAN_CONST: f64 = 1.380649e-23; // J * K-1

/// Nuclear Physics
/// ---------------

pub const MASS_PROTON: f64 = 1.67262e-27; //kg
pub const MASS_NEUTRON: f64 = 1.67492749e-27; //kg
pub const ELECTRON_VOLT: f64 = 1.602e-19; // Joule

/// Chemistry
/// ---------

pub const MOLE: f64 = 6.02e23; // molecules / mole
pub const GAS_CONST: f64 = 8.317e3; // N * m * kg^-1 * mol^-1 * K^-1