practical_astronomy_rust/
planetdata.rs

1/// Info about a planet:
2/// * `name` -- Name of planet.
3/// * `tp` -- Period of orbit.
4/// * `long` -- Longitude at the epoch.
5/// * `peri` -- Longitude of the perihelion.
6/// * `ecc` -- Eccentricity of the orbit.
7/// * `axis` -- Semi-major axis of the orbit.
8/// * `incl` -- Orbital inclination.
9/// * `node` -- Longitude of the ascending node.
10/// * `theta0` -- Angular diameter at 1 AU.
11/// * `v0` -- Visual magnitude at 1 AU.
12pub struct PlanetInfo {
13    pub name: String,
14    pub tp: f64,
15    pub long: f64,
16    pub peri: f64,
17    pub ecc: f64,
18    pub axis: f64,
19    pub incl: f64,
20    pub node: f64,
21    pub theta0: f64,
22    pub v0: f64,
23}
24
25/// Retrieve info about a planet.
26///
27/// ## Returns
28/// PlanetInfo structure.
29pub fn get_planet_info_vector(planet_name: String) -> (PlanetInfo, String) {
30    let mut planet_vector: Vec<PlanetInfo> = Vec::new();
31
32    planet_vector.push(PlanetInfo {
33        name: "Mercury".to_string(),
34        tp: 0.24085,
35        long: 75.5671,
36        peri: 77.612,
37        ecc: 0.205627,
38        axis: 0.387098,
39        incl: 7.0051,
40        node: 48.449,
41        theta0: 6.74,
42        v0: -0.42,
43    });
44    planet_vector.push(PlanetInfo {
45        name: "Venus".to_string(),
46        tp: 0.615207,
47        long: 272.30044,
48        peri: 131.54,
49        ecc: 0.006812,
50        axis: 0.723329,
51        incl: 3.3947,
52        node: 76.769,
53        theta0: 16.92,
54        v0: -4.4,
55    });
56    planet_vector.push(PlanetInfo {
57        name: "Earth".to_string(),
58        tp: 0.999996,
59        long: 99.556772,
60        peri: 103.2055,
61        ecc: 0.016671,
62        axis: 0.999985,
63        incl: -99.0,
64        node: -99.0,
65        theta0: -99.0,
66        v0: -99.0,
67    });
68    planet_vector.push(PlanetInfo {
69        name: "Mars".to_string(),
70        tp: 1.880765,
71        long: 109.09646,
72        peri: 336.217,
73        ecc: 0.093348,
74        axis: 1.523689,
75        incl: 1.8497,
76        node: 49.632,
77        theta0: 9.36,
78        v0: -1.52,
79    });
80    planet_vector.push(PlanetInfo {
81        name: "Jupiter".to_string(),
82        tp: 11.857911,
83        long: 337.917132,
84        peri: 14.6633,
85        ecc: 0.048907,
86        axis: 5.20278,
87        incl: 1.3035,
88        node: 100.595,
89        theta0: 196.74,
90        v0: -9.4,
91    });
92    planet_vector.push(PlanetInfo {
93        name: "Saturn".to_string(),
94        tp: 29.310579,
95        long: 172.398316,
96        peri: 89.567,
97        ecc: 0.053853,
98        axis: 9.51134,
99        incl: 2.4873,
100        node: 113.752,
101        theta0: 165.6,
102        v0: -8.88,
103    });
104    planet_vector.push(PlanetInfo {
105        name: "Uranus".to_string(),
106        tp: 84.039492,
107        long: 356.135400,
108        peri: 172.884833,
109        ecc: 0.046321,
110        axis: 19.21814,
111        incl: 0.773059,
112        node: 73.926961,
113        theta0: 65.8,
114        v0: -7.19,
115    });
116    planet_vector.push(PlanetInfo {
117        name: "Neptune".to_string(),
118        tp: 165.845392,
119        long: 326.895127,
120        peri: 23.07,
121        ecc: 0.010483,
122        axis: 30.1985,
123        incl: 1.7673,
124        node: 131.879,
125        theta0: 62.2,
126        v0: -6.87,
127    });
128
129    for i in planet_vector {
130        if i.name == planet_name {
131            return (i, "OK".to_string());
132        }
133    }
134
135    return (
136        PlanetInfo {
137            name: planet_name,
138            tp: -99.0,
139            long: -99.0,
140            peri: -99.0,
141            ecc: -99.0,
142            axis: -99.0,
143            incl: -99.0,
144            node: -99.0,
145            theta0: -99.0,
146            v0: -99.0,
147        },
148        "NotFound".to_string(),
149    );
150}
practical_astronomy_rust/planetdata.rs

practical_astronomy_rust/
planetdata.rs
