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Top 150 largest objects in the solar system

Can you name the top 150 largest stars, planets, moons, dwarf planets and asteroids in the solar system?
Diameters with an uncertainty of more than 10 km will have a "?" next to it.
Diameters with an uncertainty of more than 50 km will have a "??" next to it.
Diameters with an uncertainty of more than 150 km will have a "???" next to it.
All minor planets with a diameter of more than 600km will be assumed to be a dwarf planet. Asteroids would be further subdivided into Kuiper belt objects (K), main belt asteroids (A), trojans (T) and centaurs (C).
Quiz by
dh554781
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Last updated: October 10, 2025
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First submittedSeptember 22, 2025
Times taken62
Average score26.7%
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Diameter (km)
Type
Answer
1,391,400
Star
Sun
139,822
Planet
Jupiter
116,464
Planet
Saturn
50,724
Planet
Uranus
49,244
Planet
Neptune
12,742
Planet
Earth
12,104
Planet
Venus
6,779
Planet
Mars
5,268
Moon
Ganymede
5,149
Moon
Titan
4,879
Planet
Mercury
4,820
Moon
Callisto
3,643
Moon
Io
3,475
Moon
Moon
3,122
Moon
Europa
2,707
Moon
Triton
2,377
Dwarf planet
Pluto
2,326?
Dwarf planet
Eris
1,596
Dwarf planet
Haumea
1,578
Moon
Titania
1,528
Moon
Rhea
1,523
Moon
Oberon
1,471
Moon
Iapetus
1,430?
Dwarf planet
Makemake
1,230?
Dwarf planet
Gonggong
1,212
Moon
Charon
1,169
Moon
Umbriel
1,158
Moon
Ariel
1,123
Moon
Dione
1,090?
Dwarf planet
Quaoar
1,066
Moon
Tethys
939
Dwarf planet
Ceres
910?
Dwarf planet
Orcus
906???
Dwarf planet
Sedna
838?
Dwarf planet
Salacia
796?
Dwarf planet
Máni
772?
Dwarf planet
Achlys
768?
Dwarf planet
Aya
750???
Dwarf planet
2010 JO179
742??
Dwarf planet
Chiminigagua
740?
Dwarf planet
Varda
710
Dwarf planet
Ixion
700???
Dwarf planet
2017 OF201
680?
Dwarf planet
Goibniu
679??
Dwarf planet
Ritona
670???
Dwarf planet
2015 RR245
665?
Dwarf planet
Uni
654??
Dwarf planet
Varuna
650??
Dwarf planet
2003 UZ413
644???
Dwarf planet
Rumina
Diameter (km)
Type
Answer
642?
Dwarf planet
Gǃkúnǁʼhòmdímà
635??
Dwarf planet
2014 UZ224
619??
Dwarf planet
2008 OG19
615??
Moon
Dysnomia
610???
Dwarf planet
2007 JJ43
576???
Asteroid (K)
Xewioso
556???
Asteroid (K)
2004 XR190
550?
Asteroid (K)
2002 XV93
525
Asteroid (A)
Vesta
524
Asteroid (K)
2003 VS2
512
Asteroid (A)
Pallas
512?
Asteroid (K)
2004 TY364
504
Moon
Enceladus
500?
Asteroid (K)
2002 TC302
500???
Asteroid (K)
2018 VG18
498??
Asteroid (K)
2005 UQ513
472
Moon
Miranda
470?
Asteroid (K)
Dziewanna
464??
Asteroid (K)
2005 TB190
462?
Asteroid (K)
1999 DE9
460?
Asteroid (K)
2003 FY128
450???
Asteroid (K)
2012 VP113
448?
Asteroid (K)
2002 VR128
442?
Moon
Vanth
432
Asteroid (A)
Hygiea
424??
Asteroid (K)
2004 NT33
420?
Moon
Proteus
416??
Asteroid (K)
2005 QU182
416??
Asteroid (K)
Chaos
408?
Asteroid (K)
2001 QF298
406?
Asteroid (K)
Huya
406??
Asteroid (K)
2004 PF115
403?
Moon
Ilmarë
398?
Asteroid (K)
2004 UX10
398??
Asteroid (K)
1993 SC
396
Moon
Mimas
393?
Moon
Actaea
392?
Asteroid (K)
1998 SN165
389
Asteroid (K)
2002 KX14
369?
Moon
Hi'iaka
367??
Asteroid (K)
2001 UR163
340??
Moon
Nereid
340?
Asteroid (K)
1996 TL66
340??
Asteroid (K)
2004 XA192
332
Asteroid (A)
Interamnia
330??
Asteroid (K)
2007 OC10
320
Asteroid (A)
Europa
310??
Asteroid (K)
1999 CD158
298
Asteroid (A)
Davida
286
Asteroid (K)
2002 TX300
Diameter (km)
Type
Answer
274?
Asteroid (K)
2003 OP32
274
Asteroid (A)
Sylvia
272?
Asteroid (K)
Lempo
270
Asteroid (A)
Eunomia
270
Moon
Hyperion
268
Asteroid (A)
Euphrosyne
268?
Asteroid (K)
1998 SM165
263
Asteroid (A)
Cybele
254
Asteroid (A)
Juno
252?
Asteroid (K)
Hiisi
250?
Asteroid (T)
Hektor
249
Asteroid (C)
Chariklo
248?
Asteroid (K)
Sila
248?
Asteroid (C)
2007 RW10
246??
Asteroid (K)
Altjira
236?
Asteroid (K)
Nunam
228
Asteroid (A)
Bamberga
226
Asteroid (A)
Patientia
224
Asteroid (A)
Psyche
224?
Asteroid (C)
Ceto
222
Asteroid (A)
Herculina
220??
Moon
(148780) Altjira I
220?
Asteroid (A)
Hesperia
220?
Asteroid (K)
Leleākūhonua
218
Asteroid (A)
Thisbe
216
Asteroid (A)
Doris
213
Moon
Phoebe
212?
Moon
(38628) Huya I
211
Asteroid (A)
Fortuna
210
Asteroid (A)
Camilla
208
Asteroid (A)
Themis
205
Asteroid (A)
Aurora
204
Asteroid (A)
Amphitrite
202
Asteroid (A)
Egeria
200?
Asteroid (A)
Iris
200??
Moon
Weywot
199
Asteroid (A)
Elektra
198
Asteroid (C)
Bienor
196?
Asteroid (C)
Chiron
195
Asteroid (A)
Hebe
194
Moon
Larissa
194
Asteroid (A)
Ursula
188
Asteroid (A)
Eugenia
188
Asteroid (A)
Hermione
188
Asteroid (A)
Daphne
187
Asteroid (A)
Bertha
187
Asteroid (K)
1995 SM55
186??
Moon
(532037) Chiminigagua I
179
Moon
Janus
178?
Asteroid (K)
Teharonhiawako
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4 Comments
JudeTheVillager
+1
Level 34
Oct 10, 2025
Since the lateral click symbol isn’t available on most keyboards, could you please make Gǃkúnǁʼhòmdímà answerable if typed in some other ways? Such as “Gkunhomdima”. Great quiz anyway I had fun with it.
dh554781
+1
Level 32
Oct 10, 2025
Oops sorry for the false adverstising, ive actually forgotten to finish the quiz
dh554781
+2
Level 32
Oct 10, 2025
I've added "Gkunhomdima" as an acceptable answer
dh554781
+1
Level 32
Oct 10, 2025
and ill add the remaining objects
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