A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
From: Bill Ritchie
Date: 2020 Apr 3, 05:06 -0700
Saturn/Mars 2020-Mar-31 17:31:01 and 3259.8 arc secs.
Jupiter/Mars 2020-Mar-20 10:37:41 and 2546.1 arc secs.
Very close to Sean's results. Astron's 'arc between bodies' facility shows the sextant arc at observer location and conditions as it is intended for calibration or practice. I temporarily modified it to give geocentric results and binary-sliced the input times to find the minima, with the decimals option set to 3 extra places. I'll add geocentric arcs as an option in the next release.