Mercurio  

Mercurio

Mercurio
Orbital Characteristics of Mercury

Elementos orbitales

Perihelio: 46,001,200 km, 0.307499 AE
Afelio: 69,816,900 km, 0.466697 AE
Semieje mayor: 57,909,100 km, 0.387098 AE
Excentricidad: 0.205630
Período orbital sideral: 87.9691 dias, 0.240846 años
Período orbital sinódico: 115.88 dias
Velocidad orbital media: 47.87 km/s
Anomalía media: 174.796°
Inclinación: 7.005°
Longitud del nodo ascendente: 48.331°
Argumento del perihelio: 29.124°

Satélites: 0




Physical Characteristics of Mercury

Características físicas

Radio ecuatorial: 2,439.7 km (0.3829 x Tierra)
Achatamiento: < 0.0006
Área de superficie: 7.48×1070.108 km2 ( x Tierra)
Volumen: 6.083×1010 km3 (0.054 x Tierra)
Masa: 3.3022×1023 kg (0.055 x Tierra)
Densidad: 5.427 g/cm3
Gravedad: 3.7 m/s2
Velocidad de escape: 4.25 km/s
Sidereal rotation period: 58.646 Earth days, 1407.5 Earth hours
Inclinación axial: 2.11′ ± 0.1′
Albedo: 0.106
Temperatura media superficial: 100/700 K, -173/427 °C, -279/801 °F
Magnitud aparente: -1.9
Diámetro angular: 4.5" – 13"


The Atmosphere of Mercury

La Atmósfera

Composición:
  • 42% Oxygen (O2)
  • 29.0% Sodium
  • 22.0% Hydrogen (H2)
  • 6.0% Helium
  • 0.5% Potassium
  • Trace amounts of Argon, Nitrogen (N2), Carbon Dioxide (CO2), water vapor (H2O), Xenon, Krypton, Neon



    Mercury images:


    www.flickr.com

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