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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 : 1,392,000,000
REAL DISTANCES PLANETS MODEL DISTANCES
Diameter Orbit Radius   Diameter Orbit Radius
average average   average average
km km   cm m
1,392,000   Sun 100.0  
4,879 57,910,000 Mercury 0.3505 41.60
12,100 108,200,000 Venus 0.8693 77.73
12,740 149,600,000 Earth 0.9152 107.5
6,779 227,900,000 Mars 0.4870 163.7
950.0 413,800,000 Ceres
Asteroid Belt
0.06825 297.3
139,800 778,600,000 Jupiter 10.04 559.3
116,500 1,433,000,000 Saturn 8.369 1,029
50,720 2,877,000,000 Uranus 3.644 2,067
49,250 4,503,000,000 Neptune 3.538 3,235
2,372 5,874,000,000 Pluto
Kuiper Belt
0.1704 4,220
Orbits of objects beyond Neptune are highly eccentric ellipses, not circles.

REAL DISTANCES RINGS MODEL DISTANCES
Inner Radius Outer Radius Planet Ring Inner Radius Outer Radius
km km     cm cm
74,660 92,000 Saturn C Ring 5.363 6.609
92,000 117,600 Saturn B Ring 6.609 8.447
122,200 136,800 Saturn A Ring 8.777 9.826

REAL DISTANCES MOONS MODEL DISTANCES
Diameter Orbit Radius Planet Moon Diameter Orbit Radius
average average     average average
km km     cm cm
3,474 384,400 Earth Moon 0.2496 27.61
3,643 421,700 Jupiter Io 0.2617 30.29
3,138 670,900 Jupiter Europa 0.2254 48.20
5,268 1,070,000 Jupiter Ganymede 0.3784 76.87
4,821 1,883,000 Jupiter Callisto 0.3463 135.3
5,152 1,222,000 Saturn Titan 0.3701 87.79
2,707 354,800 Neptune Triton 0.1945 25.49

REAL DISTANCES STARS & GALAXIES MODEL DISTANCES
km   km
41,530,000,000,000 Alpha Centauri
Nearest star system
29,830
234,900,000,000,000,000 Center of Milky Way 168,800,000
24,330,000,000,000,000,000 Andromeda Galaxy
Nearest spiral galaxy
17,480,000,000

Solar System Model Map

Latitude:
Longitude:
You may right-click (or equivalent gesture) on the map to change latitude & longitude.
Model scale:  1 : 1,392,000,000
Map not shown.