Tierra  

Tierra

Tierra
Orbital Characteristics of Earth

Elementos orbitales

Perihelio: 147,098,074 km, 0.9832898912 AE
Afelio: 152,097,701 km, 1.0167103335 AE
Semieje mayor: 149,597,887.5 km, 1.0000001124 AE
Excentricidad: 0.016710219
Período orbital sideral: 365.256366 dias
Período orbital sinódico:
Velocidad orbital media: 29.783 km/s
Anomalía media:
Inclinación: 1°34'43.3"
Longitud del nodo ascendente: 348.73936°
Argumento del perihelio: 114.20783°

Satélites: 1 (Moon)

Physical Characteristics of Earth

Características físicas

Radio ecuatorial: 6,378.1 km
Achatamiento: 0.0033528
Área de superficie: 510,072,000 km2
Volumen: 1.0832073×1012 km3
Masa: 5.9736×1024 kg
Densidad: 5.5153 g/cm3
Gravedad: 9.780327 m/s2
Velocidad de escape: 11.186 km/s
Sidereal rotation period: 0.99726968 d Earth days, 23h 56m 4.100s Earth hours
Inclinación axial: 23.439281°
Albedo: 0.367
Temperatura media superficial: 185/331 K, -88/58 °C, -126/136 °F
Magnitud aparente:
Diámetro angular:
The Atmosphere of Earth

La Atmósfera

Composición:
  • 78.08% Nitrogen (N2)
  • 20.95% Oxygen (O2)
  • 0.93% Argon
  • 0.038% Carbon dioxide (CO2)
  • ca. 1% water vapor (H2O)
  • 18.18 ppm Neon
  • 5.24 ppm Helium
  • 1.745 ppm Methane (CH4)
  • 1.14 ppm Krypton
  • 0.55 ppm Hydrogen (H2)

    Earth images:


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