Cluster Auxiliary Parameters are produced by the Cluster Hungarian Data Center in Budapest. These data are the primary orbit product supplied to users by the Cluster Active Archive. The data contain Position, Velocity and Attitude of four Cluster spacecraft.
For additional details on the methodology behind these data see:
Robert P., et al., "Tetrahedron Geometric Factors", p. 328, Analysis Methods of Multi-Spacecraft Data, ed. G. Paschmann and P. Daly, 1998, ESA and the International Space Institute, Bern.Version:2.3.0
Cluster Auxiliary Parameters are produced by the Cluster Hungarian Data Center in Budapest. These data are the primary orbit product supplied to users by the Cluster Active Archive. The data contain Position, Velocity and Attitude of four Cluster spacecraft.
For additional details on the methodology behind these data see:
Robert P., et al., "Tetrahedron Geometric Factors", p. 328, Analysis Methods of Multi-Spacecraft Data, ed. G. Paschmann and P. Daly, 1998, ESA and the International Space Institute, Bern.| Role | Person | |
|---|---|---|
| 1. | DataProducer | spase://SMWG/Person/M.Tatrallyay |
In CDF via HTTP from SPDF
Interval centered time tag rounded to the nearest millisecond
Spacecraft Status, 0 = Bad Value, 1 = Use with caution, 2 = OK, 255 = Not Supplied
Spacecraft orbit number including phase. Values are of the form orbit.phase
Position, in GSE, of the Reference Spacecraft. Cluster 3 is used as the reference spacecraft
Velocity, in GSE, of the Reference Spacecraft. Cluster 3 is used as the reference spacecraft
Offset, in GSE, of Spacecraft 1 from the reference spacecraft. Cluster 3 is used as the reference spacecraft
Offset, in GSE, of Spacecraft 2 from the reference spacecraft. Cluster 3 is used as the reference spacecraft
Offset, in GSE, of Spacecraft 3 from the reference spacecraft. Cluster 3 is used as the reference spacecraft
Offset, in GSE, of Spacecraft 4 from the reference spacecraft. Cluster 3 is used as the reference spacecraft
GSE latitude of spacecraft 1 axis, angle from Ecliptic Plane
GSE longitude of spacecraft 1 axis, angle from x in x-y GSE plane
GSE latitude of spacecraft 2 axis, angle from Ecliptic Plane
GSE longitude of spacecraft 2 axis, angle from x in x-y GSE plane
GSE latitude of spacecraft 3 axis, angle from Ecliptic Plane
GSE longitude of spacecraft 3 axis, angle from x in x-y GSE plane
GSE latitude of spacecraft 4 axis, angle from Ecliptic Plane
GSE longitude of spacecraft 4 axis, angle from x in x-y GSE plane
Spacecraft Quality Shape, (vol/ideal) + (surf/ideal) + 1
Spacecraft Quality Shape, norm*(vol/sphere vol)^(1/3)
Minimum distance between spacecraft
Maximum distance between spacecraft
Rotation angle GSE to GSM, positive from +z towards +y
Dipole tilt in GSM z-x plane, positive from +z towards +x
Tetrahedron size
Tetrahedron elongation
Tetrahedron planarity
direction of elongation, direction cosines
normal of planarity, direction cosines