#
# earth.txt, 12 Feb 12

!fuzz 0.000001

!msgpostfix \n

6356.752 | Semiaxis of the Earth GRS-80 ellipsoid at the poles
6378.137 | Semiaxis of the Earth GRS-80 ellipsoid at the equator

!fuzz 0.0000001

6356750.5 | Semiaxis of the Earth WGS-72 ellipsoid at the poles
6378135.0 | Semiaxis of the Earth WGS-72 ellipsoid at the equator

6356752.314245 | Semiaxis of the Earth WGS-84 ellipsoid at the poles
6378137.0      | Semiaxis of the Earth WGS-84 ellipsoid at the equator
298.257223563  | Flattening of WGS-84 Earth ellipsoid

6356079.0 | Semiaxis of the Earth Bessel 1841 ellipsoid at the poles
6377397.2 | Semiaxis of the Earth Bessel 1841 ellipsoid at the equator

# NAD83 GRS-80
6356752.31410 | Semiaxis of the Earth GRS-80 ellipsoid at the poles
6378137.0     | Semiaxis of the Earth GRS-80 ellipsoid at the equator
298.257222101 | Flattening of GRS-80 Earth ellipsoid
0.08181922146 | Eccentricity of ellipsoid (GRS-80)

# North American Datum of 1927
6356583.8      | Semiaxis of the Earth NAD27 ellipsoid at the poles
6378206.4      | Semiaxis of the Earth NAD27 ellipsoid at the equator
294.9786982138 | Flattening of NAD27 Earth ellipsoid
0.08227185422  | Eccentricity of ellipsoid (NAD 27)

7.272205216643039903848712e-5 | Earth rotation in radians per second

9.80665 | Standard gravity for Earth, in m/s^2
32.1740 | Standard gravity for Earth, in ft/s^2

9.78033 | Equatorial value of gravity for Earth, in m/s^2

 1.0826158E-3 | Second gravitational zonal harmonic for the Earth
-2.53881E-6   | Third gravitational zonal harmonic for the Earth
-1.65597E-6   | Fourth gravitational zonal harmonic for the Earth

!msgpostfix International gravity formula 1967, for Earth\n
!need all
 9.780327
 0.0053024
-0.0000058

!msgpostfix World Geodetic Systems 84 ellipsoidal gravity formula, for Earth\n
!need all
 9.7803267714
 0.00193185138639
-0.00669437999013

!msgpostfix Calculation of gravity at sea level as a function of latitude\n
!need all
 9.80616
-0.0026373
 0.0000059


# Latitude in 5 degree increments, PLEN, PDFE
!msgpostfix AIRY Ellipsoid Semi-Major Axis (m.) 1/Flattening\n

!need all
6377563.396
299.3249646

!msgpostfix AIRY-MODIFIED Ellipsoid Semi-Major Axis (m.) 1/Flattening\n

!need all
6377340.189
299.3249646

!msgpostfix AUSTRALIAN Ellipsoid Semi-Major Axis (m.) 1/Flattening\n

!need all
6378160.0
298.25

!msgpostfix BESSEL-1841 Ellipsoid Semi-Major Axis (m.) 1/Flattening\n

!need all
6377397.155
299.1528128

!msgpostfix CLARKE-1880 Ellipsoid Semi-Major Axis (m.) 1/Flattening\n

!need all
6378249.145
293.465

!msgpostfix EVEREST-1830 Ellipsoid Semi-Major Axis (m.) 1/Flattening\n
6377276.345
290.8017

!msgpostfix EVEREST-MODIFIED Ellipsoid Semi-Major Axis (m.) 1/Flattening\n

!need all
6377304.063
290.8017

!msgpostfix FISHER-1960 Ellipsoid Semi-Major Axis (m.) 1/Flattening\n

!need all
6378166.0
298.3

!msgpostfix FISHER-1968 Ellipsoid Semi-Major Axis (m.) 1/Flattening\n

!need all
6378150.0
298.3

!msgpostfix HOUGH-1956 Ellipsoid Semi-Major Axis (m.) 1/Flattening\n

!need all
6378270.0
297.0

!msgpostfix HAYFORD Ellipsoid Semi-Major Axis (m.) 1/Flattening\n

!need all
6378388.0
297.0

!msgpostfix KRASSOVSKY-1938 Ellipsoid Semi-Major Axis (m.) 1/Flattening\n

!need all
6378245.0
298.3

!msgpostfix NWL-9D Ellipsoid Semi-Major Axis (m.) 1/Flattening\n

!need all
6378145.0
298.25

!msgpostfix SOUTHAMERICAN-1969 Ellipsoid Semi-Major Axis (m.) 1/Flattening\n

!need all
6378160.0
298.25

!msgpostfix SOVIET-1985 Ellipsoid Semi-Major Axis (m.) 1/Flattening\n

!need all
6378136.0
298.257

!msgpostfix WGS72 Ellipsoid Semi-Major Axis (m.) 1/Flattening\n

!need all
6378135.0
298.26


# Latitude in 5 degree increments, PLEN, PDFE
!msgpostfix Table used to calculate Robinson projection\n

!need all
# 1.0000
# 0.0000
0.9986
0.0620
0.9954
0.1240
0.9900
0.1860
0.9822
0.2480
0.9730
0.3100
0.9600
0.3720
0.9427
0.4340
0.9216
0.4958
0.8962
0.5571
0.8679
0.6176
0.8350
0.6769
0.7986
0.7346
0.7597
0.7903
0.7186
0.8435
0.6732
0.8936
0.6213
0.9394
0.5722
0.9761
0.5322
# 1.0000


!msgpostfix Latitude/Longitude of Mecca\n
!need all
39.82333
21.42333

