Earth 
|
A planetary disk of white cloud formations, brown and green land masses, and dark blue oceans against a black background.
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Orbital characteristics
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Epoch J2000[n 1]
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Aphelion
|
151930000 km
(1.01559 AU) [n 2]
|
Perihelion
|
147095000 km
(0.9832687 AU) [n 2]
|
Semi-major axis
|
149513000 km
(1.00000011 AU) [1]
|
Eccentricity
|
0.01671022[1]
|
Orbital period
|
365.256363004 d [2]
(1.00001742096 yr)
|
Average orbital speed
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29.78 km/s[1]
(107200 km/h)
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Mean anomaly
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355.53 deg[3]
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Inclination
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7.155 deg to Sun's equator;
1.57869 deg[4] to invariable plane;
0.00005 deg to J2000 Ecliptic
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Longitude of ascending node
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−11.26064 deg[1] to J2000 ecliptic
|
Argument of perihelion
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102.94719 deg[1]
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Satellites
| |
Physical characteristics
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Mean radius
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6371.0 km[6]
|
Equatorial radius
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6378.1 km[7][8]
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Polar radius
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6356.8 km[9]
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Flattening
|
0.0033528[10]
1/298.257222101 (ETRS89)
|
Circumference
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40075.017 km (equatorial) [8]
40007.86 km (meridional) [11][12]
|
Surface area
|
510072000 km2[13][14][n 3]
(148940000 km2 (29.2%) land
361132000 km2 (70.8%) water)
|
Volume
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1.08321×1012 km3[1]
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Mass
|
5.97219×1024 kg[15]
(3.0×10-6 solar mass)
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Mean density
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5.514 g/cm3[1]
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Surface gravity
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9.807 m/s2[16]
(1 g)
|
Moment of inertia factor
|
0.3307[17]
|
Escape velocity
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11.186 km/s[1]
|
Sidereal rotation period
|
0.99726968 d[18]
(23h 56m 4.100s)
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Equatorial rotation velocity
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1,674.4 km/h (465.1 m/s)[19]
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Axial tilt
|
23 deg 26 min 21.4119 s [2]
|
Albedo
|
0.367 geometric[1]
0.306 Bond[1]
|
Surface temp.
|
min
|
mean
|
max
|
Kelvin
|
184 K[20]
|
288 K[21]
|
330 K[22]
|
Celsius
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−89.2 °C
|
15 °C
|
56.7 °C
| |
