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 Jul 01 - Tue Local Time = 01:55:17 Standard Time Std. Time Zone Offset = 00:00:00 Applied Delta T = +00:00:00 Working Julian Date = 2460857.58005787 TT Julian Day Number = JDNumLT Longitude = -76.833611111° = -05h 07m 20.1s (W=Negative) Latitude = +42.752194444° Elevation = 0 m Local Sidereal Time = 15h 25m 28.471s = 15.424575177h = 231.368627660° =========================================================================== Geocentric Lunar Ephemeris Statistics Right Ascension = 11h 23m 46.68s = 11.3962991h = 170.9444865° Declination = +03° 59' 42.80" = +3.995222° True Distance = 394896.02 km = 245377.01 mi Angular Diameter = 00° 30' 14.66" = 30.244273' = 0.504071210° Angular Semi-Diameter = 00° 15' 07.33" = 15.122136' = 0.252035605° Phase Angle = 70.59892° Horizontal Parallax = 55.526955' = 0.925449247° Light/Signal Time = 1.290 sec (surface-to-surface) =========================================================================== Local Topocentric and Horizon Coordinates of Moon Topocentric RA = 11h 21m 23.44s = 11.3565107h = 170.3476602° Topocentric Decl = +03° 23' 27.74" = +3.391039° Local Hour Angle = +04h 01m 41.79s = +60.4241412° (E=Negative) Azimuth = 71.93269° (Measured clockwise from S=0°) = 251.93269° (Measured clockwise from N=0°) Direction = WSW Altitude = +23.28400° (Above Local Horizon - No refractions applied) =========================================================================== Geocentric Lunar ephemeris table for each day of Jul. 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 2460855 9.3561109 +18.445515 381161.760 39.93820 xx 2460856 10.1916704 +13.117371 386764.247 52.13421 xx 2460857 10.9666212 +07.390986 392087.569 63.92396 xx 2460858 11.7011659 +01.533808 396755.633 75.36654 1 2460859 12.4155455 -04.251503 400476.404 86.53971 2 2460860 13.1288577 -09.799628 403057.054 97.53039 3 2460861 13.8586787 -14.956267 404407.489 108.42700 4 2460862 14.6205070 -19.556683 404535.094 119.31361 5 2460863 15.4263605 -23.412140 403532.920 130.26540 6 2460864 16.2822350 -26.309178 401562.786 141.34501 7 2460865 17.1850029 -28.028071 398834.350 152.59997 8 2460866 18.1207364 -28.382562 395581.353 164.06126 9 2460867 19.0670925 -27.269759 392036.884 175.74355 10 2460868 20.0002478 -24.705439 388410.405 187.64735 11 2460869 20.9028936 -20.824194 384870.053 199.76310 12 2460870 21.7687529 -15.847888 381533.710 212.07646 13 2460871 22.6024019 -10.045113 378471.163 224.57338 14 2460872 23.4164846 -03.702215 375717.369 237.24369 15 2460873 0.2286907 +02.886892 373293.894 250.08187 16 2460874 1.0593720 +09.414908 371233.025 263.08430 17 2460875 1.9292808 +15.546614 369597.568 276.24362 18 2460876 2.8561264 +20.906774 368489.658 289.54118 19 2460877 3.8486944 +25.088007 368044.015 302.94018 20 2460878 4.8992479 +27.700373 368404.947 316.38197 21 2460879 5.9794377 +28.468335 369691.299 329.78789 22 2460880 7.0471444 +27.332761 371958.158 343.06753 23 2460881 8.0633262 +24.480453 375166.325 356.13147 24 2460882 9.0062467 +20.271851 379168.903 8.90511 25 2460883 9.8737541 +15.124390 383718.984 21.33941 26 2460884 10.6770568 +09.423755 388495.800 33.41623 27 2460885 11.4335705 +03.486388 393142.000 45.14818 28 2460886 12.1623777 -02.440584 397303.464 56.57450 29 2460887 12.8821783 -08.161560 400664.913 67.75476 30 2460888 13.6105410 -13.509343 402977.595 78.76239 31 2460889 14.3634057 -18.322882 404078.047 89.67854 xx 2460890 15.1540813 -22.429617 403898.450 100.58666 xx 2460891 15.9912774 -25.636694 402469.551 111.56771 xx JD_Num RA_Hr Declin° Dist_km Phase_Ang° Day ===========================================================================