Calculation of a planet’s position in the ecliptic and equatorial systems
Calculate a planet’s ecliptic longitude and latitude, apparent right ascension and declination, and distance as seen from Earth.

The accuracy of planetary positions between 1970 and 2030 is ±6”.
References)
New Calendar Handbook, edited by the Calendar Calculation Research Group, Koseisha Koseikaku
References)
New Calendar Handbook, edited by the Calendar Calculation Research Group, Koseisha Koseikaku
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