added DOM elements for time display and tour link, added method for dialog window bounds
added planetary symbol, added dialog box bound updater
changed true anomaly parameter to use Kepler equations, removed initial angular placement method
changed true anomaly parameter to use Kepler equations, removed initial angular placement method
removed initial angular placement
updated parameter conditions
changed ids of DOM elements to classes
changed iteration count of Newton-Raphson method
added time functions, corrected time bug from setInterval
refactored code, removed unused methods/variables, moved time functions to physics/Time.js
removed unused parameters
updated to-do list