(50g) Astronomy Programs

05302014, 07:54 PM
(This post was last modified: 06152017 01:32 PM by Gene.)
Post: #1




(50g) Astronomy Programs
HP 50G: Astronomy Programs
5/21/2014 Escape Velocity: Input: 2: mass in pounds 1: distance in miles Output: 1: escape velocity in mi/sec Program ESCVEL << 5280 * INV * 2 * 1.0690441604E9 * √ 5280 / >> Period Around the Sun: Input: 2: mass of orbiting object in pounds 1: distance from sun in miles Output: 1: period of orbit in years Program PERSUN << 5280 * 3 ^ SWAP 4.384E30 + 1.0690441604E9 * / √ 2 * π * →NUM 31556925.9747 / >> Distance of Stars using Parallax Input: 1: angle in arc seconds Output: 1: distance to star in light years Program PARALLAX << PUSH DEG 3600 / TAN 63239.7263452 * INV POP >> Newton's Law of Gravity Solver F = force (ft^3)/(lb s^2) M1 = mass of object 1 (lb) M2 = mass of object 2 (lb) R = distance between objects (ft) Program GRAVITY << {'F' 'M1' 'M2' 'R'} PURGE F M1 M2 1.0690466104E9 * * R SQ / = STEQ 30 MENU >> Source (where I did my research): Astronomy 801: Planets, Stars, and the Universe  Penn State University https://www.eeducation.psu.edu/astro801/ 

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