geocentric2topocentric: Geocentric to topocentric equatorial coordinates...

Description Usage Arguments Value Examples

View source: R/coordinates.R

Description

Geocentric to topocentric equatorial coordinates transformation

Usage

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geocentric2topocentric(declination, right_ascension, jd,
  geographic_longitude, geographic_latitude, geographic_altitude,
  celestial_body)

Arguments

declination

Geocentric declination in degrees

right_ascension

Geocentric right Ascension in hour angle

jd

Julian day used to determine true obliquity of ecliptic

geographic_longitude

Geographical longitude in degrees

geographic_latitude

Geographical latitude in degrees

geographic_altitude

Geographical altitude in meters

celestial_body

Celestial body name as string: mercury, venus,mars, jupyter, saturn, sun or moon

Value

Horizontal coordinates

Examples

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jd<-str2jd("2003-08-28T03:17:00")
geocentric2topocentric(-15.771083,-22.63534722222,jd,-116.8625,-33.356111,1706,"mars")

Susarro/arqastwb documentation built on May 21, 2019, 10:28 a.m.