Coordinates: Move cursor over map
Volcanic Regions
Highland Terrain
Plains (Planitia)
Polar Ice Caps
Landing Sites
Mars Coordinated Time (MTC)
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Mars Sol Date
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Solar Longitude
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Mars Year
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Sol of Year
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Mars Sol Duration 24h 39m 35.244s
Mars Year Length 668.6 sols
Mars / Earth Ratio 1.02749125
Orbital Period 686.97 Earth days
Axial Tilt 25.19°
Eccentricity 0.0935
Darian Calendar System
24 months · 668–669 sols per Mars year
Mars Year Progress —
01
Sagittarius
28 sols
02
Dhanus
28 sols
03
Capricornus
28 sols
04
Makara
28 sols
05
Aquarius
28 sols
06
Kumbha
27 sols
07
Pisces
28 sols
08
Mina
28 sols
09
Aries
28 sols
10
Mesha
28 sols
11
Taurus
28 sols
12
Rishabha
27 sols
13
Gemini
28 sols
14
Mithuna
28 sols
15
Cancer
28 sols
16
Karka
28 sols
17
Leo
28 sols
18
Simha
27 sols
19
Virgo
28 sols
20
Kanya
28 sols
21
Libra
28 sols
22
Tula
28 sols
23
Scorpius
28 sols
24
Vrishika
27 sols
Orbital Mechanics
Current Mars position relative to the Sun
Northern Hemisphere
Spring / Southern Autumn
Ls 0° – 90° · ~194 sols
Northern Hemisphere
Summer / Southern Winter
Ls 90° – 180° · ~178 sols
Northern Hemisphere
Autumn / Southern Spring
Ls 180° – 270° · ~143 sols
Northern Hemisphere
Winter / Southern Summer
Ls 270° – 360° · ~154 sols
Mars Provinces & Territories
Major geological and geographic regions
Olympus Mons
Shield Volcano · Tharsis
Elevation+21.9 km
Area~300,000 km²
Caldera Width80 km
Coordinates18.65°N 226.2°E
Valles Marineris
Canyon System · Equatorial
Length~4,000 km
Width200–700 km
DepthUp to 7 km
Coordinates13.9°S 59.2°W
Hellas Planitia
Impact Basin · Southern
Elevation−8.2 km
Diameter~2,300 km
Area~2.1 M km²
Coordinates42.7°S 70°E
Tharsis Plateau
Volcanic Dome · Western
Elevation~10 km avg
Area~30 M km²
Major Volcanoes4 (incl. Olympus)
Coordinates0°N 260°E
Acidalia Planitia
Plains · Northern Lowlands
Elevation−4 km avg
Area~2.5 M km²
SurfaceBasaltic plains
Coordinates49.7°N 339°E
Syrtis Major
Volcanic Province · Equatorial
Elevation−1 to +1 km
Area~1.1 M km²
Albedo0.10 (dark)
Coordinates8.4°N 290.5°W
Arcadia Planitia
Plains · Northern Hemisphere
Elevation−3 to −5 km
Area~1.5 M km²
Ice DepositsSubsurface
Coordinates46.7°N 184.3°E
Arabia Terra
Highlands · Northern
Elevation+1 to +3 km
Area~4.5 M km²
Terrain AgeNoachian (3.9 Ga)
Coordinates23°N 10°E
Amazonis Planitia
Lava Plains · Western
Elevation−4 km avg
Area~2.0 M km²
Surface AgeAmazonian
Coordinates24.8°N 196.9°E