Coordinate systems used for cruise phase:
* HCI (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.
* HEE (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.
* HEEQ (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 vectororthogonal to the Z axis. The Y axis is Z cross X, completing the right-handed reference frame.
Version:2.4.1
Coordinate systems used for cruise phase:
* HCI (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.
* HEE (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.
* HEEQ (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 vectororthogonal to the Z axis. The Y axis is Z cross X, completing the right-handed reference frame.
| Role | Person | StartDate | StopDate | Note | |
|---|---|---|---|---|---|
| 1. | TechnicalContact | spase://SMWG/Person/Elena.Budnik |
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