Statistics for Largest Objects in the Solar System

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Answers color-coded by a green-red scale on the quiz's map according to % correct below.

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Type	Mean Radius (km)	Answer	% Correct
Planet	6,371.0	Earth	99%
Planet	3,389.5	Mars	99%
Planet	69,911	Jupiter	98%
Planet	58,232	Saturn	98%
Planet	6,051.8	Venus	98%
Planet	25,362	Uranus	97%
Planet	2,439.4	Mercury	96%
Planet	24,622	Neptune	96%
Dwarf planet	1,188.3	Pluto	95%
Terran satellite	1,737.5	Moon	94%
Star	695,508	Sun	92%
Saturnian satellite	2,574.7	Titan	60%
Jovian satellite	1,821.6	Io	57%
Jovian satellite	1,560.8	Europa	54%
Jovian satellite	2,634.1	Ganymede	46%
Dwarf planet	469.7	Ceres	39%
Jovian satellite	2,410.3	Callisto	34%
Dwarf planet	1,163	Eris	29%
Neptunian satellite	1,353.4	Triton	29%
Plutonian satellite	606.0	Charon	26%
Dwarf planet	715	Makemake	22%
Saturnian satellite	763.8	Rhea	19%
Uranian satellite	788.9	Titania	19%
Dwarf planet	780 (ellipsoid)	Haumea	18%
Uranian satellite	761.4	Oberon	18%
Uranian satellite	578.9	Ariel	15%
Saturnian satellite	561.7	Dione	15%
Saturnian satellite	735.6	Iapetus	14%
Sednoid	~498	Sedna	14%
Saturnian satellite	533.0	Tethys	14%
Uranian satellite	584.7	Umbriel	14%
Dwarf planet?	~615	Gonggong	11%
Cubewano	543	Quaoar	11%
Plutino	~455	Orcus	10%
Cubewano	~423	Salacia	8%