Daily Geocentric Solar Distance Calculator
For Each Date Of Any Given Year From 1600 to 2200
Computed Twice Daily at 12-Hour Intervals (00:00:00  and  12:00:00 TT)
Based on the 600-Year NASA/JPL DE405 Ephemeris Model
ENTER Any Year From 1600 to 2200      

A PHP Astronomy Program by Jay Tanner - 2017