NeoProgrammics / PHP Science Labs

Some Basic Astronomy
and
Science-Related Tools
and Source Code

by Jay Tanner of Geneva, NY, USA

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• -  TOP / REFRESH  -
• ARCHIVE - 2026
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• Obliquity of the Ecliptic
  And Coordinates Of
  The Arctic and Antarctic Circles
• The J. Laskar Obliquity Paper
  

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• 
  NASA/JPL Horizons API Demos
  With PHP Source Code
  
• About NASA Data at Work
  
• Voyager Spacecraft 1 and 2
  
• Voyager 1 and 2 Ephemerides
• Predicted Dates When Voyagers 1 and 2 
  Will Be At One Light Day Distance
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• General Horizons Ephemeris
  
• NASA/JPL Horizons API Tool
  EXPERIMENTAL
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• Rising/Transit/Setting Times
• ABOUT These RTS Times Tables
• Sun and Moon
• Sun, Mercury, Venus and Mars
• Jupiter and Saturn
• Uranus, Neptune and Pluto
• Asteroids Ceres, Vesta and Hebe
• Hubble, Spitzer, James Webb, ISS
• For 16 Major Asteroids
  (Takes Several Seconds to Compute)
• For Sun, Moon, All Planets and Pluto
  (Takes Several Seconds to Compute)
• List  of Some Asteroid IDs and Names
  
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• Earth Perihelion/Aphelion
  
• Earth Perihelion/Aphelion Calculator
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• Perigee and Apogee Calculators
  
• Lunar Perigees/Apogees Calculator
• Mercury Perigees/Apogees Calculator
• Venus Perigees/Apogees Calculator
• Mars Perigees/Apogees Calculator
• Jupiter Perigees/Apogees Calculator
• Saturn Perigees/Apogees Calculator
• Uranus Perigees/Apogees Calculator
• Neptune Perigees/Apogees Calculator
• Pluto Perigees/Apogees Calculator

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• Sidereal Time Calculator
• Solstices and Equinoxes Calculator
• Solar System Events Calculator
• Nutation Computations
  

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• LUNAR BASE
  
  
• Moon-Related Tools
  

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• The VSOP87 Theory
  
  
• The VSOP87 Theory
  
• VSOP87 Equations Summary Part 1
• VSOP87 Equations Summary Part 2
• VSOP87 Series Terms Summaries
• VSOP87 Coordinates Test Values
• VSOP87 Planetary Distance Tables
• VSOP87C Heliocentric PHP Modules
• VSOP87 SOURCE CODE GENERATOR
  
• VSOP87 Theory Source Paper
• VSOP87 Theory Source Paper - PDF Version
  

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• LUNEX For POV-Ray
  A Photo-Realistic Lunar Ray-Tracing
  Tool With Texture Maps
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• LUNEX For POV-RAY - Lunar Ray-Tracing Tool
  

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• Stars
  
  
• IAU Constellation Maps
• Distance Between Two Stars or Planets
  
• The Stellar Magnitude System
• Stellar Magnitude of the Sun Calculator
• Stellar Magnitude vs Distance Calculator
• Combined Stellar Magnitude Calculator
  
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• Calendrical Date/Time Tools
  
  
• Julian Dates and JD Numbers For Any Month
• Julian Dates and JD Numbers For Any Year
• Inverse JD / Julian Date Calculator
• Difference Between Dates and Times
  
• USA Holidays and Special Dates Calendar
• USA Dalight Saving Time Schedule
• EU Summer Time Schedule
  
• 1582 - Julian/Gregorian Transition Calendar
• 1752 - USA Gregorian Transition Calendars
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• Basic Metrics
  
  
• Temperature Scale Equivalents Calculator
• Metric - Length Equivalents Calculator
• Metric - Weight/Mass Equivalents Calculator
  
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• Some Basic Math and Science Tools
  
  
• Standard and Hour Angle Equivalents
  
• Integer Fraction Arithmetic Rules
• Integer Fraction Arithmetic Calculator
  
• Sphere - Basic Properties Calculator
• Sphere - Angular Diameter Calculator
• Sphere - Distance to Horizon Calculator
• Sphere - Visible Fraction of Surface
  vs Distance Calculator
• Spheroid Circumference Calculator
• Historical Oblate Spheroid
  Parameters Calculator
• PHP Ellipse Circumference Function
• Earth - Geodetic Distance Calculator
• Earth - GPS Ellipsoid XYZ Calculator
  
• Variance/Standard Deviation Calculator
  
• Combinations C(N,R) Calculator
• Permutations P(N,R) Calculator

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• Randomizing Tools
  
  
• Random Names Generator
• Random Digits String Generator
• Random Alphanumeric String Generator
• Random Text String Generator
• Randomize/Shuffle a List of Items
• Random Cards Dealer
• Random Coins Flipper
• Random Dice Roller
• Random Latinoid Text Generator
  

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• Miscellaneous
  
  
• HTML/CSS Color Names and RGB Codes
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  C O N T A C T
• Jay.Tanneralp@NeoProgrammicsega.com



NO SPAM

I have a relative who can
turn you into a frog.
You have been warned!