Merge pull request #117 from observerly/feature/planets/almanac

feat: Added epoch J2000.0 almanac data for inferior and exterior planets to planets module in @observerly/astrometry.
observerly · Oct 19, 2023 · 8ca8960 · 8ca8960
2 parents 7e630a2 + 5cb2495
commit 8ca8960
Showing 1 changed file with 134 additions and 1 deletion.
diff --git a/src/planets.ts b/src/planets.ts
@@ -90,7 +90,7 @@ export type Planet = {
    * The planet's ecliptical longitude of ascending node at epoch in degrees.
    *
    */
-  Ω: number
+  Ω: number | null
   /**
    *
    *
@@ -101,3 +101,136 @@ export type Planet = {
 }
 
 /*****************************************************************************************************************/
+
+/**
+ *
+ *
+ * This snapshot of orbital data is taken from the The Astronomical Almanac 2000 and various NASA sources.
+ *
+ * All quoted values are for the epoch J2000.0.
+ *
+ */
+export const planets = [
+  {
+    uid: '01HD49QMD7GA502WXEMY1ZAG15',
+    name: 'Mercury',
+    symbol: '☿',
+    T: 0.2408467,
+    m: 0.055274,
+    r: 2439700,
+    e: 0.205636,
+    a: 0.3870993,
+    i: 7.004979,
+    ε: 252.250324,
+    ϖ: 77.457796,
+    Ω: 48.330766,
+    isInferior: true
+  },
+  {
+    uid: '01HD49R1NASDCYK3ZBYYCBJTBW',
+    name: 'Venus',
+    symbol: '♀',
+    T: 0.615197,
+    m: 0.8149984,
+    r: 6051800,
+    e: 0.0067767,
+    a: 0.72333566,
+    i: 3.39467605,
+    ε: 181.9791,
+    ϖ: 131.602467,
+    Ω: 76.679843,
+    isInferior: true
+  },
+  {
+    uid: '01HD4AM60QS3SXKKJWY1A2Z3JF',
+    name: 'Earth',
+    symbol: '♁',
+    T: 1.0000174,
+    m: 1,
+    r: 6378140,
+    e: 0.01671123,
+    a: 1.00000018,
+    i: -0.00001531,
+    ε: 100.464572,
+    ϖ: 100.464572,
+    Ω: null,
+    isInferior: false
+  },
+  {
+    uid: '01HD4ARM2X130B6M2Q74JFKRW4',
+    name: 'Mars',
+    symbol: '♂',
+    T: 1.880848,
+    m: 0.107447,
+    r: 3389500,
+    e: 0.093394,
+    a: 1.52371,
+    i: 1.849691,
+    ε: -4.553432,
+    ϖ: -23.943629,
+    Ω: 49.559539,
+    isInferior: false
+  },
+  {
+    uid: '01HD4AYRMZP734M8FVQGXDB5BV',
+    name: 'Jupiter',
+    symbol: '♃',
+    T: 11.862615,
+    m: 317.828133,
+    r: 69911000,
+    e: 0.048393,
+    a: 5.202887,
+    i: 1.3043975,
+    ε: 34.396441,
+    ϖ: 14.728479,
+    Ω: 100.473909,
+    isInferior: false
+  },
+  {
+    uid: '01HD4AYZAHS15TJJMZDQWV1TET',
+    name: 'Saturn',
+    symbol: '♄',
+    T: 29.447498,
+    m: 95.160904,
+    r: 58232000,
+    e: 0.053862,
+    a: 9.536676,
+    i: 2.485992,
+    ε: 49.954244,
+    ϖ: 92.598878,
+    Ω: 113.662424,
+    isInferior: false
+  },
+  {
+    uid: '01HD4AZ66TP0P2KY9A8XFMRQ4T',
+    name: 'Uranus',
+    symbol: '♅',
+    T: 84.016846,
+    m: 14.535757,
+    r: 25362000,
+    e: 0.0472574,
+    a: 19.18916464,
+    i: 0.772638,
+    ε: 313.238104,
+    ϖ: 170.954276,
+    Ω: 74.016925,
+    isInferior: false
+  },
+  {
+    uid: '01HD4AZGMADD008W4XT4HEV9ZC',
+    name: 'Neptune',
+    symbol: '♆',
+    T: 164.79132,
+    m: 17.147241,
+    r: 24622000,
+    e: 0.00867797,
+    a: 30.069923,
+    i: 1.77004347,
+    ε: -55.120029,
+    ϖ: 44.964762,
+    Ω: 131.784226,
+    isInferior: false
+  }
+] satisfies Planet[]
+
+/*****************************************************************************************************************/