Mars

image of Valles Marineris in this mosaic spanning about 2 500 kilometers on Mars surface

  • Equatorial radius: 3 389.5 ± 0.1 km (0.533 Earths)
  • http://southernoceanvillas.com/how-to-insert-alprostadil-pellets.pdf Polar radius: 3 376.2 ± 0.1 km (0.531 Earths)
  • watch Mass: 6.39 x 1023 kg (0.107 Earths)
  • buy Pregabalin Lyrica uk Volume: 1.6318 x 1011 km3 (0.151 Earths)
  • Surface area: 144 798 500 km2 (0.284 Earths)
  • Surface temperature: 210 K or -63°C (min 130 K – max 308 K)
  • Surface gravity: 3.711 m/s2 (0.376 G)
  • Surface pressure: 0.4 kPa – 087 kPa
  • Moons: two (Phobos and Deimos)
  • Orbital distance: 1.3814 AU – 1.6660 AU (206 699 999.999 999 97 km – 249 200 000 km)
  • Orbital period: 1.8808 years (686.971 days)
  • Axial period: 1 day 40 minutes
  • Average orbital speed: 24.077 km/s
  • Escape velocity: 5.027 km/s
  • First recorded: 2nd millennium BC by Egyptian astronomers

ImageNameDiameter in kmDiscovered
Phobos27 x 22 x 1817 August 1877 by Asaph Hall
Deimos15 x 12.2 x 1112 August 1877 by Asaph Hall


Reference list:

NASA

Wikipedia