JupiterSaturnConvergence.frink

View or download JupiterSaturnConvergence.frink in plain text format


/** This is a first cut at calculating the great Jupiter-Saturn convergence
    of 2020.  */

use planets.frink

lat  =  40 deg North
long = 105 deg West

for d = #2020-08-28# to #2020-08-30# step 30 min
{
   // This can also be angularSeparation or airlessAngularSeparation
   sep = Planet.angularSeparation[Planet.Jupiter,Planet.Saturn,d,lat,long]
   [az,alt] = Planet.Jupiter.refractedAzimuthAltitude[d, lat, long]
   if (alt > 0 degrees)
      println[d + "\t" + format[sep, degrees, 4] + "\t" + skyDarkness[d,lat,long] + "\t" + format[alt, deg, 3]]
}


View or download JupiterSaturnConvergence.frink in plain text format


This is a program written in the programming language Frink.
For more information, view the Frink Documentation or see More Sample Frink Programs.

Alan Eliasen was born 18663 days, 1 hours, 50 minutes ago.