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Orbit data - Object data - Atmosphere - Mythology - Satellites - Links Go to the bottom of the page
Photo of the planet Mars

Hide this area Orbit data
Mean distance from the star Sun 227.940.000 km
1,5237 AU
Minimum distance from the star Sun (perihelion) 206.615.600 km
Maximum distance from the star Sun (aphelion) 249.251.000 km
Orbital period around the star Sun (sideric) 686,930 d
Orbital period around the star Sun (synodic) 779,94 d
Mean orbital velocity 24,13 km/s
Orbital inclination 1,8506 °
Eccentricity of the orbit around the star Sun 0,0935
Hide this area Object data
Mass 6,4185 × 1023 kg
Equatorial radius 3397,2 km
Oblateness 0,006476
Mean density 3,9335 g/cm³
Escape velocity 5,027 km/s
Surface force of gravity 3,711 m/s²
Tilt of axis 25,189 °
Rotational period 24,6229 h
Equatorial rotational velocity 866,9 km/h
Mean surface temperature 210 K
Minimum surface temperature 184 K
Maximum surface temperature 242 K
Albedo 0,154
Apparent magnitude - 1,52 mvis
Hide this area Atmosphere
The surface pressure of the atmosphere is 10-3 bar.
  Carbon dioxide (CO2)
  Nitrogen (N2)
  Argon (Ar)
  Oxygen (O2)
  Carbon monoxide (CO)
  Water vapor (H2O)
Hide this area Mythology

Ares, the greek ged of war, is one of the sons of Zeus and Hera. In early roman history, Mars was a god of spring and growth and only over time became the equivalent of the greek god Ares.

The god Ares always rushed into the thick of battle, not caring who won or lost as long as blood was shed.

Symbol of mythology for Mars
Hide this area Satellites
No.  Name Distance Eccentricity Radius Mass
1 Phobos Phobos 9378 9.378 km 0.0151 0,0151 13.4 13,4 × 11,2 × 9,2 km 16.106 1,06 × 1016 kg
2 II  Deimos Deimos 23459 23.459 km 0.0005 0,0005 7.5 7,5 × 6,1 × 5,2 km 15.24 2,4 × 1015 kg
Hide this area Links
File icon Gustav Holst: The Planets - Mars: The Bringer of War (130 kB)
File icon NASA Spacelink - Solar System Lithograph Set - Our Solar System
Lithograph number LG-2001-08-02-HQ (~ 3400 kB)
File icon USGS/NASA (Viking Orbiter) - Valles Marineris
© Welcome to the Planets - 1552 × 1552 (241 kB)
File icon USGS/NASA (Viking Orbiter) - Schiaparelli
© Welcome to the Planets - 1552 × 1552 (359 kB)
File icon NASA (Viking Orbiter) - Martian Atmosphere
© Calvin J. Hamilton ("Views of the Solar System")
File icon Welcome to the Planets
Online version of the "Planetary Data System Educational CD-ROM"
File icon A Multimedia Tour of the Solar System - The Nine Planets
© William A. Arnett
© 2022 by Bernd Onasch - Imprint Go to the top of the page