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

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Solar System Model Table

Rings
Moons
Stars & Galaxies

US units (mi/ft/in)
Min & Max distances
Astronomical Units
Light travel times

Model scale: 1 : 2,000,000,000

REAL DISTANCES				PLANETS	MODEL DISTANCES
Diameter	Orbit Radius				Diameter	Orbit Radius
average	average	minimum	maximum		average	average	minimum	maximum
km	km	km	km		cm	m	m	m
1,392,000				Sun	69.60
4,879	57,910,000	46,000,000	69,820,000	Mercury	0.2440	28.96	23.00	34.91
12,100	108,200,000	107,500,000	108,900,000	Venus	0.6050	54.10	53.75	54.45
12,740	149,600,000	147,100,000	152,100,000	Earth	0.6370	74.80	73.55	76.05
6,779	227,900,000	206,700,000	249,200,000	Mars	0.3390	114.0	103.4	124.6
950.0	413,800,000	381,000,000	446,700,000	Ceres Asteroid Belt	0.04750	206.9	190.5	223.4
139,800	778,600,000	740,600,000	816,500,000	Jupiter	6.990	389.3	370.3	408.3
116,500	1,433,000,000	1,354,000,000	1,513,000,000	Saturn	5.825	716.5	677.0	756.5
50,720	2,877,000,000	2,749,000,000	3,004,000,000	Uranus	2.536	1,439	1,375	1,502
49,250	4,503,000,000	4,453,000,000	4,554,000,000	Neptune	2.463	2,252	2,227	2,277
2,372	5,874,000,000	4,437,000,000	7,311,000,000	Pluto Kuiper Belt	0.1186	2,937	2,219	3,656

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 : 2,000,000,000

Map not shown.