Moons Size in our Solar System

How big is our moon in comparison with the other objects in our solar system?


Our Moon is the 14th largest object in our solar system. Objects bigger than our moon include:
One star - the Sun (1)
Eight planets - Jupiter (2), Saturn (3), Uranus (4), Neptune (5), Earth (6), Venus (7), Mars (8), Mercury (11)
Four moons - Ganymede, (9, Jupiter moon), Titan (10, Saturn moon), Callisto (12, Jupiter moon) and Io (13, Jupiter moon).
Here's a great scale illustration of where our moon fits in with the size of the rest of our solar system.

Click here for full size. Created by kokogiak.com



Here is a chart showing how the other moons in our solar system compare to earth's moon.

Distance from
planet (km)
Diameter
(km)
Magnitude
(at Opposition)
Orbital period
(days)
Mercury - has no moons
Venus - has no moons
Earth's Moon
The Moon 384,400 3,476 -12.74 27.322
Mars' Moons
Deimos 23,460 8 12.45 1.263
Phobos 9,270 28 X 20 11.4 0.319
Jupiter's Moons
Adrastea 128,980 26 X 16 18.7 0.298
Aitne 23,547,000 3 22.7 736
Amalthea 181,300 262 X 134 14.1 0.498
Ananke 21,200,000 20 18.75 631
Aoede 23,807,655 4 22.5 748.8
Arche 23,064,000 3 22.8 715.6
Autonoe 24,122,000 4 22.0 753
Callisto 1,883,000 4,800 5.65 16.689
Carme 22,600,000 30 18.6 692
Callirrhoe 24,200,000 10 20.73 774
Carpo 17,100,000 3 23.0 456.5
Chaldene 23,179,000 3.8 22.5 741
Cyllene 24,000,000 2 23.2 737.8
Elara 11,737,000 80 16.32 259.65
Erinome 23,279,000 3.2 22.8 672
Euanthe 21,017,000 3 22.8 622
Eukelade 24,557,295 4 22.6 746.4
Euporie 19,394,000 2 23.1 534
Europa 670,900 3,126 5.29 3.551
Eurydome 23,219,000 3 22.7 713
Ganymede 1,070,000 5,276 4.61 7.155
Harpalyke 21,105,000 4.3 22.2 595
Hegemone 24,514,095 3 22.9 781.6
Helike 10,972,830 4 22.6 233.8
Hermippe 21,252,000 4 22.1 630
Himalia 11,480,000 170 14.62 250.57
Io 421,600 3,629 5.02 1.769
Iocaste 21,269,000 5.2 21.8 657
Isonone 23,217,000 3.8 22.5 712
Kale 23,124,000 2 23.0 609
Kallichore 22,395,390 2 23.7 683.0
Kalyke 23,583,000 5.2 21.8 760
Kore 24,543,000 2 23.6 779.2
Leda 11,094,000 10 19.5 238.72
Lysithea 11,720,000 24 18.25 259.22
Magaclite 23,806,000 5.4 21.7 771
Metis 127,960 40 17.5 0.295
Mneme 21,069,000 2 23.3 620.04
Orthosie 21,168,000 2 23.1 617
Pasiphae 23,500,000 36 17.0 735
Pasithee 23,029,000 2 23.2 715
Praxidike 21,147,000 6.8 21.2 632
Sinope 23,700,700 28 18.05 758
Sponde 23,808,000 2 23.0 732
S/2000 J11 12,555,000 4.0 22.4 284.3
S/2003 J2 28,570,410 2 23.2 982.5
S/2003 J3 18,339,885 2 23.4 504.0
S/2003 J4 23,257,920 2 23.0 723.2
S/2003 J5 24,084,180 4 22.4 759.7
S/2003 J9 22,441,680 1 23.7 683.0
S/2003 J10 24,249,600 2 23.6 767.0
S/2003 J12 19,002,480 1 23.9 533.3
S/2003 J15 22,000,000 2 23.4 668.4
S/2003 J16 21,000,000 2 23.3 595.4
S/2003 J17 22,000,000 2 23.4 690.3
S/2003 J18 20,700,000 2 23.4 606.3
S/2003 J19 22,800,000 2 23.7 701.3
S/2003 J23 23,563,000 2 23.6 732.44
Taygete 23,360,000 5.0 21.9 687
Thebe 221,900 100 16.0 0.675
Thelxinoe 21,162,000 2 23.5 628.09
Themisto 7,507,000 8 21.0 130.07
Thyone 21,312,000 4 22.3 615
Saturn's Moons
Aegir
20,735,000 6 24.4 1,116.5
Aegaeon 167,500 0.5 27 0.80812
Albiorix 16,392,000 30 20.5 783
Anthe 197,700 1 26 1.04
Atlas 137,640 37 X 27 19.0 0.602
Bebhionn
17,119,000 6 24.1 834.8
Bergelmir
19,338,000 6 24.2 1,005.9
Bestla
20,129,000 7 23.8 1,083.6
Calypso 294,660 30 X 16 18.7 1.888
Daphnis 136,500 7 23.4 0.594
Dione 377,400 1120 10.4 2.737
Enceladus 238,020 498 11.8 1.370
Epimetheus 151,422 138 X 110 15.6 0.694
Erriapo 17,611,000 10 23.9 871.17
Farbauti
20,390,000 5 24.7 1,086.1
Fenrir
22,453,000 4 25.0 1,260.3
Fornjot
25,108,000 6 24.6 1,490.9
Greip
18,206,000 6 24.4 921.2
Hati
19,856,000 6 24.4 1,038.7
Helene 377,400 36 X 28 18.4 2.737
Hyperion 1,481,000 360 X 226 14.4 21.277
Hyrokkin
18,437,000 8 23.5 931.8
Iapetus 3,561,300 1436 11.0 79.3215
Ijiraq 11,440,000 14 22.6 451.48
Janus 151,472 190 X 154 14.4 0.695
Jarnsaxa
18,811,000 6 24.7 964.7
Kari
22,118,000 7 23.9 1,233.6
Kiviuq 11,365,000 17 22.7 449.22
Loge
23,065,000 6 24.6 1,312.0
Methone 194,000 3 25.1 1.01
Mimas 185,520 398 12.8 0.942
Mundilfari 18,709,000 7 23.8 951.38
Narvi 18,719,000 8 23.8 956.2
Paaliaq 15,199,000 25 21.3 686.92
Pallene 211,000 4 24.5 1.14
Pan 133,630 19.32 19.4 0.5750
Pandora 141,700 110 X 62 16.4 0.629
Phoebe 12,952,000 220 16.7 550.48
Polydeuces 377,400 4 24.8 2.74
Prometheus 139,350 148 X 68 15.8 0.613
Rhea 527,040 1,528 9.7 4.518
Siarnaq 18,160,000 45 20.4 893.07
Skathi 15,645,000 8 23.6 728.93
Skoll
17,665,000 6 24.5 878.3
Surtur
22,707,000 6 24.8 1,297.7
Suttungr 19,470,000 7 23.9 1016.8
S/2004 S07
19,800,000 6 24.5 1,103
S/2004 S12
19,650,000 5 24.8 1,048
S/2004 S13
18,450,000 6 24.5 906
S/2004 S17
18,600,000 4 25.2 986
S/2006 S1
18,981,135 6 24.6 970
S/2006 S3
21,132,000 6 24.6 1,142
S/2007 S2
16,560,000 6 24.4 800
S/2007 S3
20,518,500 5 24.9 1,100
Tarqeq
18,009,000 7 23.9 887.5
Tarvos 18,239,000 16 22.3 925.70
Telesto 294,660 30 X 16 18.5 1.888
Tethys 294,660 1,060 10.3 1.888
Thrymr 20,470,000 7 23.9 1088.89
Titan 1,221,850 5,150 8.4 15.945
Ymir 23,096,000 20 22.4 1312.37
Uranus' Moons
Ariel 191,240 1,160 13.70 2.520
Belinda 75,260 66 21.47 0.624
Bianca 75,260 42 22.52 0.433
Caliban 7,200,000 80 22.4 579.5
Cordelia 49,750 26 23.62 0.335
Cressida 61,770 62 21.58 0.464
Cupid 74,800 12 25.9 0.618
Desdemona 62,660 54 21.99 0.474
Ferdinand 20,901,000 21 25.1 2,823.4
Francisco 4,276,000 22 25.0 266.6
Juliet 64,360 84 21.12 0.493
Mab 97,734 16 25.4 0.923
Margaret 14,688,700 11 25.2 1,694.8
Miranda 129,780 472 15.97 1.414
Oberon 582,600 1,526 13.70 13.463
Ophelia 53,440 30.4 23.26 0.3764
Perdita 76,420 20 24.0 0.638
Portia 66,085 108 20.42 0.513
Prospero 16,256,000 30 23.2 5.346
Puck 86,010 154 19.75 0.762
Rosalind 69,941 54 21.79 0.558
Setebos 17,418,000 47 23.3 2,234.8
Stephano 8,004,000 32 24.1 677.4
Sycorax 12,200,000 160 20.8 1283.39
Titania 435,840 1,578 13.49 8.706
Trinculo 8,578,000 10 25.4 759.0
Umbriel 265,970 1,190 14.47 4.144
Neptune's Moons
Despina 62,000 160 22.0 0.40
Galatea 52,500 140 21.85 0.33
Halimede 15,686,000 60 24.5 1,874.83
Larissa 73,600 200 21.49 0.56
Laomedeia 22,613,200 38 25.4 2,980.4
Naiad 48,200 50 23.91 0.30
Nereid 5,513,400 340 19.2 360.16
Neso 47,279,670 60 24.6 9,007.1
Proteus 117,600 420 19.75 1.12
Psamathe 46,738,000 38 25.6 9,136.11
Sao 22,337,190 38 25.4 2,925.6
Thalassa 50,000 90 23.32 0.31
Triton 354,800 2,705 13.472 5.877