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There are up to ten different position types available in MICA Version 2.0. The exact type of position calculation possible varies with the object. See the table below for a summary of the MICA position types.

 

 

MICA Version 2.0 Position Types
Position Type
(Place, Origin, Frame)
Objects Tabulated
Coordinates
Geometric
Barycentric
Equator of J2000
Sun
Moon
Earth
Asteroids
Planets
X, Y, and Z
Geometric
Heliocentric
Equator of J2000
Moon
Earth
Asteroids
Planets
X, Y, and Z
Geometric
Heliocentric
Ecliptic of J2000
Moon
Earth
Asteroids
Planets
Ecliptic longitude,
Ecliptic latitude,
and distance
Geometric
Geocentric
Equator of J2000
Sun
Moon
X, Y, and Z
Astrometric
Geocentric
Equator of J2000
Sun
Moon
Asteroids
Planets (except Earth)
Stars
Catalog objects
Right ascension,
Declination,
Distance (for solar system objects).
Apparent
Geocentric
Equator of Date
Sun
Moon
Asteroids
Planets (except Earth)
Stars
Catalog objects
Right ascension,
Declination,
Distance (for solar system objects)
Equation of Time*
Apparent
Geocentric
Ecliptic of Date
Sun
Moon
Asteroids
Planets (except Earth)
Stars
Catalog objects
Ecliptic Longitude,
Latitude,
Distance (for solar system objects)
Apparent
Topocentric
Equator of Date
(RA, Dec)
Sun
Moon
Asteroids
Planets (except Earth)
Stars
Catalog objects
Right Ascension
Declination
Distance (for solar system objects)
Apparent
Topocentric
Local Horizon
Sun
Moon
Asteroids
Planets (except Earth)
Stars
Catalog objects
Zenith angle
Azimuth angle
Distance (for solar system objects)
Apparent
Topocentric
Equator of Date
(LHA, Dec)
Sun
Moon
Asteroids
Planets (except Earth)
Stars
Catalog objects
Local Hour Angle
Declination

* When positions of this type are computed for the Sun, and the UT1 time scale has been selected, the Equation of Time is tabulated along with the right ascension, declination, and distance.