Astronomical Body Elevation (height above/below datum) Elevation (height above/below base) Surface Temperature Highest Lowest Highest Lowest Highest Lowest Sun N/A 100,000,000 K In a solar flare [31] 1240 K In a sunspot [32] Mercury 3 kilometres (1.9 mi) Caloris Montes, northwest Caloris Basin rim mountains [33][34] 723 K Dayside of Mercury [35] 89 K Permanently shaded polar craters [36] Venus 11 kilometres (6.8 mi) Maxwell Montes, Ishtar Terra [37][38][39][40] 3 kilometres (1.9 mi) Diana Chasma, Aphrodite Terra [40][41] 755 K lowlands of Venus [36] 644 K Maxwell Montes, Ishtar Terra [36] Earth 8,848 metres (29,029 ft) Mount Everest, Nepal - Tibet, China [42] 10,971 metres (35,994 ft) Challenger Deep, Mariana Trench, Pacific Ocean [43] 10,200 metres (33,500 ft) Mauna Kea, Hawaii, United States of America [42] 7 kilometres (4.3 mi) Marianas Trench, Pacific Ocean [44] 330 K Furnace Creek Ranch, Death Valley, United States (more info) 184 K Vostok Station, Antarctica (more info) Mars 27 kilometres (17 mi) Olympus Mons, Tharsis [42] 6 kilometres (3.7 mi) Hellas Planitia [45] 24 kilometres (15 mi) Olympus Mons, Tharsis [46] 9 kilometres (5.6 mi) Melas Chasma, Valles Marineris [47] 293 K Martian equator in midsummer day [48] 120 K Martian poles in the depths of winter night [48] Jupiter N/A 152 K [49] 110 K [49] Saturn N/A 143 K [50] 82 K [50] Uranus N/A 68 K [51] 59 K [51] Neptune N/A 53 K [52] 50 K [52] Moon 10,786 metres (35,387 ft) 5.4125° , 201.3665° [53][54] 9.06 kilometres (5.63 mi) Antoniadi Crater (-172.58°E, 70.38°S) 400 K midday on the equator [55] 26 K Permanently shadowed southwestern edge of the northern polar zone Hermite Crater in winter solstice [55] Io 17.3 kilometres (10.7 mi) Boosaule Montes [56][57] Europa 2 kilometres (1.2 mi) conical mountain (34.5N, 169.5W) [58] 132 K Subsolar temperature [59] Ganymede 156 K Subsolar temperature [59] 80 K Nighttime temperature [60] Callisto 168 K Subsolar temperature [59] 80 K Predawn nighttime temperature [61] Titan 2 km (1.2 mi) Mithrim Montes, Xanadu[62] Mimas Enceladus 110 K Tiger Stripes [63] Tethys Dione Rhea Iapetus 20 kilometres (12 mi) Voyager Mountains, equatorial ridge and bulge [64][65][66] Ariel Umbriel Titania Oberon Miranda 20 kilometres (12 mi) 20 kilometres (12 mi) Verona Rupes [5] Triton Nereid Proteus Charon Ceres 4.5 kilometres (2.8 mi) Ahuna Mons [67][68] 235 K [69] Pluto 3.4 km (2.1 mi) Norgay Montes, Tombaugh Regio[70] 45 K [71] 35 K [71] Eris 41 K [72] 30 K [72] Makemake Haumea The bodies included in this table are: (1) planemos; (2) major planets, dwarf planets, or moons of major or dwarf planets, or stars; (3) hydrostatically round so as to be able to provide a geodetic datum line;