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The total surface area of the Earth is approximately 510,2 million Km2.
About 70,8% is covered by water and 29.2% is land.
Inner Layers
0- 40 Crust
40- 400 Upper
mantle
400- 650
Transition region
650-2700 Lower
mantle
2700-2890 D''
layer
2890-5150 Outer
core
5150-6378 Inner
core
Terrestrial Atmosphere
Surface Pressure:
1014 mb or 101.325 kPa
Surface Density:
1.217 kg/m3
Scale height: 8.5
km
Surface
temperature: 184 K 282 K 333 K
Average
temperature: 288 K
Diurnal
temperature range: 283 K to 293 K
Wind speeds: 0 to
100 m/s
Mean molecular
weight: 28.97 g/mole
Terrestrial Composition
Iron: 34.6 %
Oxygen: 29.5 %
Silicon: 15.2 %
Magnesium: 12.7 %
Nickel: 2.4 %
Sulfur: 1.9 %
Titanium: 0.05 %
Atmospheric composition
(%)
Nitrogen: 78.084%
Oxygen: 20.946%
Water: 1%
In parts per
million (ppm)
Argon: 9340
Carbon Dioxide: 350
Neon: 18.18
Helium : 5.24
CH4: 1.7
Krypton: 1.14
Hydrogen: 0.55
Orbital characteristics
Sidereal orbit
period: 365.256 days
Tropical orbit
period: 365.242 days or 365 days 5 hours 48 minutes and 46 seconds
Mean orbital
velocity: 29.79 km/s
Orbit inclination:
0.00 deg
Orbit
eccentricity: 0.0167
Sidereal rotation
period: 23.9345 hrs
Obliquity to
orbit: 23.45 deg
Eccentricity:
0.01671022
Semimajor axis or
radius of orbit: 149,597,870 km or 1.00 AU
Perihelion: 0.983
AU or 147.1 106 km
Aphelion: 1.017 AU
or 152.1 106 km
Avg. Orbital
Speed: 29.7859 km/s
Inclination:
0.00005
Satellites: 1 (the
Moon)
Satellite of : Sun
Obital Period:
365.25636 days
Orbital
inclination in degrees: 0.000
Tilt of Axis or
obliquity in degrees: 23.45
R. Period or
Siderial rotational: 0.99727 days
Mean Orbital
Velocity: 29.79 km/s
Physical characteristics
Surface area:
5.10072×108 km2
Mass: 5.9736 1024
kg
Mean density:
5.515 g/cm3
Surface gravity:
9.78 m/s2
Rotation period:
23.9345 hours
Axial tilt: 25.2°
Albedo: 37-39%
Bond albedo: 0.385
Visual geometric
albedo: 0.367
Visual magnitude
V(1,0): -3.86
Diameter: 12,756.3
km
Radius: 6378.14 km
Density: 5.515
g/cm3
Escape Velocity:
11.182 km/s
Visual geometric
albedo: 0.37
mean density: 5.52
g/cubic cm
Length of day: 23
hr., 56 min
Length of year:
365.24 days
Surface materials:
water, basalt, granite
Volume: 108.321 1010
km3
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