Largest Solar System Objects by Region

Size written is diameter in kilometers.
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otts
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Last updated: October 4, 2025
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First submittedOctober 4, 2025
Times taken11
Average score85.0%
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Inner Solar System
1.39 M
Sun
12,742
Earth
12,104
Venus
6,779
Mars
4,879
Mercury
3,475
Moon
38
Ganymed
22
Phobos
17
Eros
13
Deimos
Asteroid Belt
939
Ceres
525
Vesta
511
Pallas
433
Hygiea
332
Interamnia
319
Europa
298
Davida
271
Sylvia
270
Eunomia
268
Euphrosyne
Outer Solar System
139,822
Jupiter
116,464
Saturn
50,724
Uranus
49,244
Neptune
5,268
Ganymede
5,149
Titan
4,821
Callisto
3,643
Io
3,122
Europa
2,705
Triton
Trans-Neptunian Region
2,377
Pluto
2,326
Eris
1,596
Haumea
1,430
Makemake
1,230
Gonggong
1,212
Charon
1,090
Quaoar
910
Orcus
906
Sedna
838
Salacia
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