THIS SUBROUTINE COMPUTES QUANTITIES RELATED TO THE ORIENTATION OF THE EARTH'S ROTATION AXIS AT JULIAN DATE TJD.
TJD = TDB JULIAN DATE FOR ORIENTATION PARAMETERS (IN)
OBLM = MEAN OBLIQUITY OF THE ECLIPTIC IN DEGREES AT
DATE TJD (OUT)
OBLT = TRUE OBLIQUITY OF THE ECLIPTIC IN DEGREES AT
DATE TJD (OUT)
EQEQ = EQUATION OF THE EQUINOXES IN TIME SECONDS AT
DATE TJD (OUT)
DPSI = NUTATION IN LONGITUDE IN ARCSECONDS AT
DATE TJD (OUT)
DEPS = NUTATION IN OBLIQUITY IN ARCSECONDS AT
DATE TJD (OUT)
NOTE: THE EQUATION OF THE EQUINOXES INCLUDES THE COMPLEMENTARY TERMS.
Type | Intent | Optional | Attributes | Name | ||
---|---|---|---|---|---|---|
real(kind=wp) | :: | tjd | ||||
real(kind=wp) | :: | oblm | ||||
real(kind=wp) | :: | oblt | ||||
real(kind=wp) | :: | eqeq | ||||
real(kind=wp) | :: | dpsi | ||||
real(kind=wp) | :: | deps |