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 : 637,000,000

Speed of light = 299,792 km/s Model speed of light = 1.694 km/h

REAL DISTANCES						PLANETS	MODEL DISTANCES
Diameter	Orbit Radius						Diameter	Orbit Radius
average	average			minimum	maximum		average	average	minimum	maximum
km	km	AU	light-minutes	km	km		cm	km	km	km
1,392,000						Sun	218.5
4,879	57,910,000	0.3871	3.2	46,000,000	69,820,000	Mercury	0.7659	0.09091	0.07221	0.1096
12,100	108,200,000	0.7233	6.0	107,500,000	108,900,000	Venus	1.900	0.1699	0.1688	0.1710
12,740	149,600,000	1.000	8.3	147,100,000	152,100,000	Earth	2.000	0.2349	0.2309	0.2388
6,779	227,900,000	1.523	13	206,700,000	249,200,000	Mars	1.064	0.3578	0.3245	0.3912
950.0	413,800,000	2.766	23	381,000,000	446,700,000	Ceres Asteroid Belt	0.1491	0.6496	0.5981	0.7013
139,800	778,600,000	5.205	43	740,600,000	816,500,000	Jupiter	21.95	1.222	1.163	1.282
116,500	1,433,000,000	9.579	80	1,354,000,000	1,513,000,000	Saturn	18.29	2.250	2.126	2.375
50,720	2,877,000,000	19.23	160	2,749,000,000	3,004,000,000	Uranus	7.962	4.516	4.316	4.716
49,250	4,503,000,000	30.10	250	4,453,000,000	4,554,000,000	Neptune	7.732	7.069	6.991	7.149
2,372	5,874,000,000	39.26	330	4,437,000,000	7,311,000,000	Pluto Kuiper Belt	0.3724	9.221	6.965	11.48

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 : 637,000,000

Map not shown.