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OpenSpace/data/spice/iSWAKernels/heliospheric.tf
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Sebastian Piwell 45721dae4b Clean up and multiple transferfunction
2016-04-29 09:56:02 -04:00

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Dynamic Heliospheric Coordinate Frames developed for the NASA STEREO mission
The coordinate frames in this file all have ID values based on the pattern
18ccple, where
18 = Prefix to put in the allowed 1400000 to 2000000 range
cc = 03 for geocentric, 10 for heliocentric
p = Pole basis: 1=geographic, 2=geomagnetic, 3=ecliptic, 4=solar
l = Longitude basis: 1=Earth-Sun, 2=ecliptic
e = Ecliptic basis: 0=J2000, 1=mean, 2=true
Author: William Thompson
NASA Goddard Space Flight Center
Code 612.1
Greenbelt, MD 20771
William.T.Thompson.1@gsfc.nasa.gov
History
Version 1, 18-Feb-2005, WTT, initial release
GSE and ECLIPDATE definitions from examples in frames.req by C.H. Acton
HEE definition is based on the GSE example
Version 2, 22-Feb-2005, WTT
Modified HCI definition to tie to IAU_SUN frame
Use RECTANGULAR specification in HEEQ frame
Version 3, 23-Feb-2005, WTT
Correct GSE and HEE definitions to use ECLIPDATE axis
Version 4, 08-Aug-2008, WTT
Add GEORTN coordinate system (comment added 30-Aug-2010)
Mean Ecliptic of Date (ECLIPDATE) Frame
Definition of the Mean Ecliptic of Date frame:
All vectors are geometric: no aberration corrections are
used.
The X axis is the first point in Aries for the mean ecliptic of
date, and the Z axis points along the ecliptic north pole.
The Y axis is Z cross X, completing the right-handed
reference frame.
This reference frame can be used to realize the HAE coordinate
system by using the sun as the observing body.
\begindata
FRAME_ECLIPDATE = 1803321
FRAME_1803321_NAME = 'ECLIPDATE'
FRAME_1803321_CLASS = 5
FRAME_1803321_CLASS_ID = 1803321
FRAME_1803321_CENTER = 399
FRAME_1803321_RELATIVE = 'J2000'
FRAME_1803321_DEF_STYLE = 'PARAMETERIZED'
FRAME_1803321_FAMILY = 'MEAN_ECLIPTIC_AND_EQUINOX_OF_DATE'
FRAME_1803321_PREC_MODEL = 'EARTH_IAU_1976'
FRAME_1803321_OBLIQ_MODEL = 'EARTH_IAU_1980'
FRAME_1803321_ROTATION_STATE = 'ROTATING'
\begintext
Geocentric Solar Ecliptic (GSE) Frame
Definition of the Geocentric Solar Ecliptic frame:
All vectors are geometric: no aberration corrections are
used.
The position of the sun relative to the earth is the primary
vector: the X axis points from the earth to the sun.
The northern surface normal to the mean ecliptic of date is the
secondary vector: the Z axis is the component of this vector
orthogonal to the X axis.
The Y axis is Z cross X, completing the right-handed
reference frame.
\begindata
FRAME_GSE = 1803311
FRAME_1803311_NAME = 'GSE'
FRAME_1803311_CLASS = 5
FRAME_1803311_CLASS_ID = 1803311
FRAME_1803311_CENTER = 399
FRAME_1803311_RELATIVE = 'J2000'
FRAME_1803311_DEF_STYLE = 'PARAMETERIZED'
FRAME_1803311_FAMILY = 'TWO-VECTOR'
FRAME_1803311_PRI_AXIS = 'X'
FRAME_1803311_PRI_VECTOR_DEF = 'OBSERVER_TARGET_POSITION'
FRAME_1803311_PRI_OBSERVER = 'EARTH'
FRAME_1803311_PRI_TARGET = 'SUN'
FRAME_1803311_PRI_ABCORR = 'NONE'
FRAME_1803311_SEC_AXIS = 'Z'
FRAME_1803311_SEC_VECTOR_DEF = 'CONSTANT'
FRAME_1803311_SEC_FRAME = 'ECLIPDATE'
FRAME_1803311_SEC_SPEC = 'RECTANGULAR'
FRAME_1803311_SEC_VECTOR = ( 0, 0, 1 )
\begintext
Heliocentric Inertial (HCI) Frame
Definition of the Heliocentric Inertial frame:
All vectors are geometric: no aberration corrections are
used.
The solar rotation axis is the primary vector: the Z axis points
in the solar north direction.
The solar ascending node on the ecliptic of J2000 forms the X
axis.
The Y axis is Z cross X, completing the right-handed
reference frame.
\begindata
FRAME_HCI = 1810420
FRAME_1810420_NAME = 'HCI'
FRAME_1810420_CLASS = 5
FRAME_1810420_CLASS_ID = 1810420
FRAME_1810420_CENTER = 10
FRAME_1810420_RELATIVE = 'J2000'
FRAME_1810420_DEF_STYLE = 'PARAMETERIZED'
FRAME_1810420_FAMILY = 'TWO-VECTOR'
FRAME_1810420_PRI_AXIS = 'Z'
FRAME_1810420_PRI_VECTOR_DEF = 'CONSTANT'
FRAME_1810420_PRI_FRAME = 'IAU_SUN'
FRAME_1810420_PRI_SPEC = 'RECTANGULAR'
FRAME_1810420_PRI_VECTOR = ( 0, 0, 1 )
FRAME_1810420_SEC_AXIS = 'Y'
FRAME_1810420_SEC_VECTOR_DEF = 'CONSTANT'
FRAME_1810420_SEC_FRAME = 'ECLIPJ2000'
FRAME_1810420_SEC_SPEC = 'RECTANGULAR'
FRAME_1810420_SEC_VECTOR = ( 0, 0, 1 )
\begintext
Heliocentric Earth Ecliptic (HEE) Frame
Definition of the Heliocentric Earth Ecliptic frame:
All vectors are geometric: no aberration corrections are
used.
The position of the earth relative to the sun is the primary
vector: the X axis points from the sun to the earth.
The northern surface normal to the mean ecliptic of date is the
secondary vector: the Z axis is the component of this vector
orthogonal to the X axis.
The Y axis is Z cross X, completing the right-handed
reference frame.
\begindata
FRAME_HEE = 1810311
FRAME_1810311_NAME = 'HEE'
FRAME_1810311_CLASS = 5
FRAME_1810311_CLASS_ID = 1810311
FRAME_1810311_CENTER = 10
FRAME_1810311_RELATIVE = 'J2000'
FRAME_1810311_DEF_STYLE = 'PARAMETERIZED'
FRAME_1810311_FAMILY = 'TWO-VECTOR'
FRAME_1810311_PRI_AXIS = 'X'
FRAME_1810311_PRI_VECTOR_DEF = 'OBSERVER_TARGET_POSITION'
FRAME_1810311_PRI_OBSERVER = 'SUN'
FRAME_1810311_PRI_TARGET = 'EARTH'
FRAME_1810311_PRI_ABCORR = 'NONE'
FRAME_1810311_SEC_AXIS = 'Z'
FRAME_1810311_SEC_VECTOR_DEF = 'CONSTANT'
FRAME_1810311_SEC_FRAME = 'ECLIPDATE'
FRAME_1810311_SEC_SPEC = 'RECTANGULAR'
FRAME_1810311_SEC_VECTOR = ( 0, 0, 1 )
\begintext
Heliocentric Earth Equatorial (HEEQ) Frame
Definition of the Heliocentric Earth Equatorial frame:
All vectors are geometric: no aberration corrections are
used.
The solar rotation axis is the primary vector: the Z axis points
in the solar north direction.
The position of the sun relative to the earth is the secondary
vector: the X axis is the component of this position vector
orthogonal to the Z axis.
The Y axis is Z cross X, completing the right-handed
reference frame.
\begindata
FRAME_HEEQ = 1810411
FRAME_1810411_NAME = 'HEEQ'
FRAME_1810411_CLASS = 5
FRAME_1810411_CLASS_ID = 1810411
FRAME_1810411_CENTER = 10
FRAME_1810411_RELATIVE = 'J2000'
FRAME_1810411_DEF_STYLE = 'PARAMETERIZED'
FRAME_1810411_FAMILY = 'TWO-VECTOR'
FRAME_1810411_PRI_AXIS = 'Z'
FRAME_1810411_PRI_VECTOR_DEF = 'CONSTANT'
FRAME_1810411_PRI_FRAME = 'IAU_SUN'
FRAME_1810411_PRI_SPEC = 'RECTANGULAR'
FRAME_1810411_PRI_VECTOR = ( 0, 0, 1 )
FRAME_1810411_SEC_AXIS = 'X'
FRAME_1810411_SEC_VECTOR_DEF = 'OBSERVER_TARGET_POSITION'
FRAME_1810411_SEC_OBSERVER = 'SUN'
FRAME_1810411_SEC_TARGET = 'EARTH'
FRAME_1810411_SEC_ABCORR = 'NONE'
FRAME_1810411_SEC_FRAME = 'IAU_SUN'
\begintext
Geocentric Radial Tangential Normal (GEORTN) Frame
Definition of the Geocentric RTN Frame
All vectors are geometric: no aberration corrections are used.
The position of Earth relative to the Sun is the primary
vector: the X axis points from the Sun center to Earth
The solar rotation axis is the secondary vector: the Z axis is
the component of the solar north direction perpendicular to X.
The Y axis is Z cross X, completing the right-handed reference
frame.
\begindata
FRAME_GEORTN = 1803410
FRAME_1803410_NAME = 'GEORTN'
FRAME_1803410_CLASS = 5
FRAME_1803410_CLASS_ID = 1803410
FRAME_1803410_CENTER = 10
FRAME_1803410_RELATIVE = 'J2000'
FRAME_1803410_DEF_STYLE = 'PARAMETERIZED'
FRAME_1803410_FAMILY = 'TWO-VECTOR'
FRAME_1803410_PRI_AXIS = 'X'
FRAME_1803410_PRI_VECTOR_DEF = 'OBSERVER_TARGET_POSITION'
FRAME_1803410_PRI_OBSERVER = 'SUN'
FRAME_1803410_PRI_TARGET = 'EARTH'
FRAME_1803410_PRI_ABCORR = 'NONE'
FRAME_1803410_PRI_FRAME = 'IAU_SUN'
FRAME_1803410_SEC_AXIS = 'Z'
FRAME_1803410_SEC_VECTOR_DEF = 'CONSTANT'
FRAME_1803410_SEC_FRAME = 'IAU_SUN'
FRAME_1803410_SEC_SPEC = 'RECTANGULAR'
FRAME_1803410_SEC_VECTOR = ( 0, 0, 1 )
\begintext
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