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Solar System Scale Model Calculator

Solar System Model Inputs

Calculate the scaled planet diameters and planet-sun distances for a solar system model.
Enter scale or diameter or distance, select to show table and/or map below, select options, then press Calculate.
Examples:  Scale 1 : 100000000 or Sun Diameter = 10 cm or Neptune Distance from Sun = 1000 ft.
Model scale: 1 :
or
=
  • Mercury
  • Venus
  • Earth
  • Mars
  • Ceres - Asteroid Belt
  • Jupiter
  • Saturn
  • Uranus
  • Neptune
  • Pluto - Kuiper Belt
  • Eris - Scattered Disk
  • Planet9 - Distant Detached Objects

Solar System Model Table

  • Rings
  • Moons
  • Stars & Galaxies
  • US units (mi/ft/in)
  • Min & Max distances
  • Astronomical Units
  • Light travel times
Model scale: 1 : 20,000,000
REAL DISTANCES PLANETS MODEL DISTANCES
Diameter Orbit Radius   Diameter Orbit Radius
average average   average average
km km   cm km
1,392,000   Sun 6,960  
4,879 57,910,000 Mercury 24.40 2.896
12,100 108,200,000 Venus 60.50 5.410
12,740 149,600,000 Earth 63.70 7.480
6,779 227,900,000 Mars 33.90 11.40
950.0 413,800,000 Ceres
Asteroid Belt		 4.750 20.69
139,800 778,600,000 Jupiter 699.0 38.93
116,500 1,433,000,000 Saturn 582.5 71.65
50,720 2,877,000,000 Uranus 253.6 143.9
49,250 4,503,000,000 Neptune 246.3 225.2
2,372 5,874,000,000 Pluto
Kuiper Belt		 11.86 293.7
Orbits of objects beyond Neptune are highly eccentric ellipses, not circles.

Solar System Model Map

Latitude:
Longitude:
You may right-click (or equivalent gesture) on the map to change latitude & longitude.
Model scale: 1 : 20,000,000
Map not shown.