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EarthOrientation_SOFA.exp
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EarthOrientation_SOFA.exp
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SOFA example code
Epoch 2007/ 4/ 5 12: 0:0.000 UTC
Polar angles xp yp = 0.0349282 0.4833163 arcsec
UT1-UTC = -0.072073685
Times: UTC 2400000.5 + 54195.500000000000000
TAI 2400000.5 + 54195.500381944446417
TT 2400000.5 + 54195.500754444445192
UT1 2400000.5 + 54195.499999165811460
IERS 1996 / IAU 1976/1980 ------------------------------------------
NO Adjustments made
precession matrix:
+0.999998434139551 -0.001623058534891 -0.000705265509011
+0.001623058534886 +0.999998682839465 -0.000000572351190
+0.000705265509023 -0.000000572336910 +0.999999751300086
mean obliquity +0.409076330951826
nutation angles psi eps +0.000017678037725 +0.000045000009756
nutation matrix:
+0.999999999843743 -0.000016219398341 -0.000007031652383
+0.000016219081900 +0.999999998855968 -0.000045000066765
+0.000007032382249 +0.000044999952711 +0.999999998962775
NPB matrix:
+0.999998402699080 -0.001639277907590 -0.000712297150252
+0.001639245852537 +0.999998655396670 -0.000045583845522
+0.000712370917086 +0.000044416142561 +0.999999745277409
equequinox = +0.929100193586690 / 1.e3
GMST = +13.411487314427530
GAST = +13.412416414621118
celestial-to-terrestrial matrix (no polar motion):
+0.973104317512485 +0.230363826166633 -0.000703443266813
-0.230363798731999 +0.973104570753357 +0.000120882950016
+0.000712370917086 +0.000044416142561 +0.999999745277409
polar motion matrix:
+0.999999999999986 +0.000000000000397 +0.000000169336692
+0.000000000000000 +0.999999999997255 -0.000002343183545
-0.000000169336692 +0.000002343183545 +0.999999999997240
celestial-to-terrestrial matrix:
+0.973104317633010 +0.230363826174538 -0.000703273930164
-0.230363800400583 +0.973104570646610 +0.000118539767067
+0.000711666350155 +0.000046657296131 +0.999999745677019
IERS 2003 / IAU 2000A, CIO -----------------------------------------
NO Adjustments made
GMST = +13.411485827243867
T = 0.072580445022435
L(T) = 3.669897201762705
Lp(T) = 1.577013170154443
F(T) = 4.263656710091702
D(T) = 3.761800444180849
Omega2003(T) = -0.267662030490372
LV(T) = 1.906404019364913
LE(T) = 3.374017293949095
Pa(T) = 0.001769666643242
ee = -0.199623043207787 / 1.e6
GAST = +13.412416973870220
nutation angles psi eps +0.000017716904827 +0.000045012350955
precession-rate -0.000000105440820 -0.000000008881449
mean obliquity +0.409076330951826
nutation matrix:
+0.999999999843056 -0.000016255058527 -0.000007047112096
+0.000016254741304 +0.999999998854833 -0.000045012408214
+0.000007047843768 +0.000045012293658 +0.999999998962111
obliquity at J2000 eps0 = +0.409092804222329
frame bias psi = -0.000000202530915
frame bias eps = -0.000000033060415
frame bias dra = -0.000000070782797
precession angle psi = +0.001773017581319
precession angle eps = +0.409092805517423
precession angle chi = +0.000003652445438
precession rate = -0.000000105440820 -0.000000008881449
frame bias matrix:
+0.999999999999994 -0.000000070782797 +0.000000080562171
+0.000000070782795 +0.999999999999997 +0.000000033060415
-0.000000080562174 -0.000000033060409 +0.999999999999996
precession matrix:
+0.999998434326132 -0.001622961793782 -0.000705223581582
+0.001622961800040 +0.999998682996472 -0.000000563401663
+0.000705223567179 -0.000000581150153 +0.999999751329660
precession*framebias matrix:
+0.999998434268063 -0.001623032553153 -0.000705143073192
+0.001623032582787 +0.999998682881610 -0.000000530210543
+0.000705143004985 -0.000000614260471 +0.999999751386452
NPB matrix:
+0.999998402759407 -0.001639287585687 -0.000712190174807
+0.001639255556597 +0.999998655382119 -0.000045554069484
+0.000712263893404 +0.000044386535021 +0.999999745354958
ERA = +13.318492966096413
sp = -0.000000000016538 with T = 0.072580445022435
polar motion matrix:
+0.999999999999986 -0.000000000016538 +0.000000169336692
+0.000000000016935 +0.999999999997255 -0.000002343183545
-0.000000169336692 +0.000002343183545 +0.999999999997240
celestial-to-terrestrial matrix:
+0.973480641543354 +0.228768323473305 -0.000703360187516
-0.228768298106262 +0.973480894522827 +0.000117390801227
+0.000711563001303 +0.000046628840564 +0.999999745751891
IERS 2010 / IAU 2000A, CIO -----------------------------------------
Using XY series
NO Adjustments made
X = +0.000712263881101
Y = +0.000044386344069
s" = -0.002200474866813
NPB matrix:
+0.999999746340049 -0.000000005139194 -0.000712263881575
-0.000000026475597 +0.999999999014926 -0.000044386336470
+0.000712263881101 +0.000044386344069 +0.999999745354976
ERA = +13.318492966096413
celestial-to-terrestrial matrix (no polar motion):
+0.973104317573630 +0.230363826247334 -0.000703332245104
-0.230363798804679 +0.973104570735612 +0.000120887289894
+0.000712263881101 +0.000044386344069 +0.999999745354976
sp = -0.000000000016538 with T = 0.072580445022435
polar motion matrix:
+0.999999999999986 -0.000000000016538 +0.000000169336692
+0.000000000016935 +0.999999999997255 -0.000002343183545
-0.000000169336692 +0.000002343183545 +0.999999999997240
celestial-to-terrestrial matrix:
+0.973104317698039 +0.230363826238753 -0.000703162908457
-0.230363800456532 +0.973104570632837 +0.000118544106933
+0.000711559314170 +0.000046627497638 +0.999999745754577