Basic Lunar Ephemeris Statistics and Phase Calculator
Based on the 600-Year NASA/JPL DE405 Ephemeris Model
PHP Program by Jay Tanner
Date: (1600 to 2200) Y m d
Local Time (00h to 24h) H:M:S
Local Time Zone Offset ±H:M
NASA Polynomial ΔT
:
:
Time Zone:
UT
Apply ΔT
+00:00:00
Daylight / Summer Time
Longitude ±Deg.d M S
(Neg=W)
Latitude ±Deg.d M S
(Neg=S)
Sea Level Elevation
(± meters)
This program uses a cookie to store and remember the interface settings between calls.
N
S
Lunar Ephemeris Statistics Referred to True Ecliptic and Equinox of Date Based on the NASA/JPL DE405 Ephemeris Model and NASA Polynomial Expressions for Delta T Local Date = 2025 Nov 03 - Mon Local Time = 04:47:16 Standard Time Std. Time Zone Offset = 00:00:00 Applied Delta T = +00:00:00 Working Julian Date = 2460982.69949074 TT Julian Day Number = JDNumLT Longitude = -76.833611111° = -05h 07m 20.1s (W=Negative) Latitude = +42.752194444° Elevation = 0 m Local Sidereal Time = 02h 30m 45.126s = 2.512535072h = 37.688026087° =========================================================================== Geocentric Lunar Ephemeris Statistics Right Ascension = 01h 55m 27.20s = 1.9242217h = 28.8633255° Declination = +04° 49' 26.79" = +4.824109° True Distance = 363917.63 km = 226127.93 mi Angular Diameter = 00° 32' 49.13" = 32.818770' = 0.546979501° Angular Semi-Diameter = 00° 16' 24.56" = 16.409385' = 0.273489751° Phase Angle = 146.90966° Horizontal Parallax = 60.254136' = 1.004235599° Light/Signal Time = 1.187 sec (surface-to-surface) =========================================================================== Local Topocentric and Horizon Coordinates of Moon Topocentric RA = 01h 54m 59.56s = 1.9165436h = 28.7481547° Topocentric Decl = +04° 12' 04.39" = +4.201220° Local Hour Angle = +00h 35m 17.93s = +8.8247006° (E=Negative) Azimuth = 14.14437° (Measured clockwise from S=0°) = 194.14437° (Measured clockwise from N=0°) Direction = SSW Altitude = +50.63830° (Above Local Horizon - No refractions applied) =========================================================================== Geocentric Lunar ephemeris table for each day of Nov. 2025 at 12:00 TT There are three extra (xx) padding days at each end of the table. JD_Num RA_Hr Declin° Dist_km Phase_Ang° Day 2460978 20.4954987 -22.596038 391852.925 87.88652 xx 2460979 21.3491764 -18.202829 386132.077 99.64659 xx 2460980 22.1828457 -12.829330 379897.307 111.79798 xx 2460981 23.0076825 -06.677441 373550.318 124.39866 1 2460982 23.8401028 +00.003306 367582.151 137.47913 2 2460983 0.6999155 +06.894821 362524.826 151.02732 3 2460984 1.6079315 +13.590532 358878.267 164.97618 4 2460985 2.5815987 +19.593891 357024.137 179.20041 5 2460986 3.6273104 +24.358726 357149.806 193.52826 6 2460987 4.7310145 +27.390424 359209.264 207.76860 7 2460988 5.8550257 +28.390416 362936.830 221.74560 8 2460989 6.9498606 +27.361586 367908.189 235.32813 9 2460990 7.9756973 +24.584879 373625.466 248.44427 10 2460991 8.9156802 +20.484410 379599.159 261.07956 11 2460992 9.7739341 +15.488314 385408.519 273.26454 12 2460993 10.5664489 +09.955991 390734.378 285.05843 13 2460994 11.3133636 +04.167066 395367.409 296.53416 14 2460995 12.0348916 -01.659581 399198.524 307.76682 15 2460996 12.7497724 -07.339767 402198.338 318.82596 16 2460997 13.4747667 -12.701097 404391.370 329.77116 17 2460998 14.2241731 -17.566673 405829.365 340.65030 18 2460999 15.0087740 -21.747266 406567.183 351.50009 19 2461000 15.8340248 -25.044260 406643.991 2.34832 20 2461001 16.6979527 -27.265717 406071.886 13.21745 21 2461002 17.5901200 -28.254476 404833.243 24.12908 22 2461003 18.4933597 -27.919591 402887.145 35.10850 23 2461004 19.3886783 -26.255971 400184.183 46.18856 24 2461005 20.2612638 -23.341093 396687.991 57.41251 25 2461006 21.1045536 -19.312268 392401.067 68.83467 26 2461007 21.9210542 -14.339914 387391.746 80.51898 27 2461008 22.7209140 -08.611695 381818.288 92.53423 28 2461009 23.5199217 -02.333955 375944.918 104.94589 29 2461010 0.3378362 +04.250676 370143.252 117.80371 30 2461011 1.1968417 +10.835177 364871.905 131.12586 xx 2461012 2.1189113 +17.020511 360628.948 144.88241 xx 2461013 3.1201350 +22.309359 357878.457 158.98362 xx JD_Num RA_Hr Declin° Dist_km Phase_Ang° Day ===========================================================================