typescript 8 2d 7 vector 7 math 6 simulation 6 physics 6 javascript 5 gravity 5 collision 5 n-body 5 orbital-mechanics 5 esa 4 astrodynamics 4 celestial-mechanics 4 two-body 4 newtonian-gravity 4 interstellar-tools 4 jpl 4 nasa 4 sky map 4 satellites 4 satellite 4 comets 4 asteroids 4 nodejs 4 vec3 4 vector3 4 si-units 4 numerics 4 orbital-speed 4 keplers-third-law 4 kepler-period 4 vis-viva 4 specific-mechanical-energy 4 gravitational-acceleration 4 gravitational-force 4 mu 4 gravitational-parameter 4 standard-gravitational-parameter 4 G_SI 4 gravitational-constant 4 newtons-law-of-gravitation 4 earth-sun 4 geo 4 leo 4 heliocentric 4 space-dynamics 4 interstellar 4 tools 4 near 4 earth 4 objects 4 planets 4 spaceflight 4 orbit 4 rotation 4 trajectory 4 dwarf 4 pluto 4 neptune 4 saturn 4 jupiter 4 gaia 4 tellus 4 mars 4 venus 4 mercury 4 moon 4 planet 4 sun 4 star 4 stars 4 geometry 3 3d 3 vector2 2 linear 2 linear-algebra 2 gamedev 2 utility 2 vector2d 2 vectors 2 game-development 2 distance 1 utilities 1 distance-calculation 1 tensor 1 javascript-library 1 2d-vector 1 node-module 1 game 1 2d vectors 1 nodejs-api 1 unit-vector 1 vector-algebra 1 vector-cross 1 vector-frommagnitudeangle2d 1 vectors-calculations 1 line2d 1 rect 1 rect2d 1