VSOP87C Venus Apparent Geocentric Equatorial Ephemeris Demo 2 PHP Program by Jay Tanner - 2026

ENTER  Year/Month

Double-Click Within Text Area to Select ALL Text ================================================================= VSOP87C VENUS APPARENT GEOCENTRIC EQUATORIAL EPHEMERIS DEMO Valid For Gregorian Years 1583 AD to 5999 AD ================================================================= VENUS Apparent Geocentric Equatorial Ephemeris For 00h TT on Each Date Year : 2026 (Gregorian Calendar) Month : April 1 to 30 ================================================================= Day R.A. Declination Dist AU V Mag A Diam === ============== =============== ============ ===== ======= 1 01h 58m 33.04s +11° 37' 40.86" 1.5689589872 -3.92 10.72" 2 02h 03m 13.00s +12° 05' 23.52" 1.5653324354 -3.92 10.75" 3 02h 07m 53.77s +12° 32' 48.93" 1.5616567039 -3.92 10.77" 4 02h 12m 35.36s +12° 59' 56.37" 1.5579317223 -3.92 10.80" 5 02h 17m 17.82s +13° 26' 45.12" 1.5541573806 -3.92 10.82" 6 02h 22m 01.16s +13° 53' 14.43" 1.5503335360 -3.92 10.85" 7 02h 26m 45.42s +14° 19' 23.58" 1.5464600181 -3.92 10.88" 8 02h 31m 30.61s +14° 45' 11.82" 1.5425366339 -3.92 10.90" 9 02h 36m 16.76s +15° 10' 38.41" 1.5385631714 -3.93 10.93" 10 02h 41m 03.89s +15° 35' 42.60" 1.5345394009 -3.93 10.96" 11 02h 45m 52.02s +16° 00' 23.65" 1.5304650759 -3.93 10.99" 12 02h 50m 41.16s +16° 24' 40.80" 1.5263399319 -3.93 11.02" 13 02h 55m 31.33s +16° 48' 33.32" 1.5221636853 -3.93 11.05" 14 03h 00m 22.54s +17° 12' 00.45" 1.5179360345 -3.93 11.08" 15 03h 05m 14.81s +17° 35' 01.46" 1.5136566650 -3.93 11.11" 16 03h 10m 08.13s +17° 57' 35.60" 1.5093252621 -3.93 11.14" 17 03h 15m 02.52s +18° 19' 42.14" 1.5049415323 -3.93 11.18" 18 03h 19m 57.99s +18° 41' 20.37" 1.5005052313 -3.93 11.21" 19 03h 24m 54.53s +19° 02' 29.57" 1.4960161918 -3.93 11.24" 20 03h 29m 52.13s +19° 23' 09.04" 1.4914743466 -3.93 11.28" 21 03h 34m 50.79s +19° 43' 18.08" 1.4868797394 -3.93 11.31" 22 03h 39m 50.50s +20° 02' 55.99" 1.4822325210 -3.93 11.35" 23 03h 44m 51.25s +20° 22' 02.09" 1.4775329330 -3.93 11.38" 24 03h 49m 53.01s +20° 40' 35.69" 1.4727812839 -3.94 11.42" 25 03h 54m 55.77s +20° 58' 36.14" 1.4679779240 -3.94 11.46" 26 03h 59m 59.51s +21° 16' 02.80" 1.4631232241 -3.94 11.50" 27 04h 05m 04.22s +21° 32' 55.04" 1.4582175590 -3.94 11.53" 28 04h 10m 09.87s +21° 49' 12.26" 1.4532612970 -3.94 11.57" 29 04h 15m 16.45s +22° 04' 53.88" 1.4482547917 -3.94 11.61" 30 04h 20m 23.93s +22° 19' 59.33" 1.4431983763 -3.94 11.65" =================================================================

SOME GENERAL INFORMATION ABOUT THIS VSOP87 VENUS EPHEMERIS DEMO The purpose of this program is to compute an apparent geocentric equatorial Venus ephemeris for any Gregorian calendar date within the ephemeris span from 1583 to 5999 AD based on the VSOP87 theory. ------- CAVEAT: Be cautious when entering the year/month values. This program is only a simplified demo and does NOT do extensive error checking for invalid arguments. Valid input arguments should return valid results. Whenever possible, compare against known check values or against another source of similar VSOP87C computations for consistency. ---------------- TIME SCALE USED: The program uses the system clock for the time (UTC). However, the actual time scale used is the TT scale. Without any Delta T adjustment, UTC is being treated as equivalent to TT. --------------------------------------------------------------------------- SOURCE CODE: There is a link below to the complete PHP source code for this program.

Program by Jay Tanner Revised: Thursday, January 01, 1970 at 12:00:00 AM UTC

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