Mercury Ephemeris Calculator
Based on the NASA/JPL DE405 Ephemeris Model
Date: (1600 to 2200) Y m d
Local Time (00h to 24h) H:M:S
Local Time Zone Offset ±H:M
Undefined1
Std. Time = UT
Apply ΔT
+00:00:00
Daylight / Summer Time
Undefined3
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.
Mercury Ephemeris Statistics Referred to True Ecliptic and Equinox of Date Based on the NASA/JPL DE405 Ephemeris Model Local Date = 2025 Jul 17 - Thu Local Time = 04:05:57 Standard Time Std. Time Zone Offset = 00:00:00 Applied Delta T = +00:00:00 Astronomical JD TT = 2460873.67079861 =========================================================================== Geocentric Equatorial Coordinates of Mercury Right Ascension = 09h 08m 23.61s = 9.1398909h = 137.0983635° Declination = +13° 21' 32.42" = +13.359005° True Distance = 0.656756032 AU = 98.249304 Mkm = 61.049287 Mmi Visual Magnitude = +1.6 Angular Diameter = 10.232" Horizontal Parallax = 13.390" = 0.223171' = 0.003719523° Light/Signal Time = 05m 27.72s =========================================================================== Local Topocentric Coordinates of Mercury For Geographic Location: Longitude = -76.833611111° = -05h 07m 20.1s (W=Negative) Latitude = +42.752194444° Elevation = 0 m Topocentric RA = 09h 08m 23.20s = 9.1397776h = 137.0966636° Topocentric Decl = +13° 21' 21.81" = +13.356058° Local Hour Angle = +09h 31m 11.65s = 142.79853642451° (W=Negative) Local Sidereal Time = 18h 39m 34.848s = 18.659680001h = 279.895200018° Azimuth = 139.78284° (Measured clockwise from S=0°) = 319.78284° (Measured clockwise from N=0°) Direction = NW Altitude = -24.34614° (Invisible - Below Local Horizon) =========================================================================== Mercury Ephemeris Table For Each Day Of Jul. 2014 at 12:00 TT There are three extra (xx) padding days at each end of the table. JD12_TT RA_Hr Decl_Deg Dist_AU VMag Day 2460855 8.3107604 +20.622316 0.926089070 +0.1 xx 2460856 8.3921025 +20.196123 0.909301571 +0.2 xx 2460857 8.4696354 +19.764556 0.892683735 +0.2 xx 2460858 8.5433178 +19.329291 0.876251328 +0.3 1 2460859 8.6131020 +18.892001 0.860019758 +0.3 2 2460860 8.6789332 +18.454360 0.844004365 +0.4 3 2460861 8.7407494 +18.018053 0.828220711 +0.4 4 2460862 8.7984810 +17.584778 0.812684858 +0.5 5 2460863 8.8520513 +17.156257 0.797413648 +0.5 6 2460864 8.9013763 +16.734233 0.782424971 +0.6 7 2460865 8.9463654 +16.320484 0.767738034 +0.7 8 2460866 8.9869226 +15.916817 0.753373621 +0.7 9 2460867 9.0229472 +15.525078 0.739354353 +0.8 10 2460868 9.0543358 +15.147146 0.725704927 +0.9 11 2460869 9.0809846 +14.784935 0.712452363 +1.0 12 2460870 9.1027916 +14.440389 0.699626226 +1.1 13 2460871 9.1196606 +14.115473 0.687258840 +1.2 14 2460872 9.1315044 +13.812167 0.675385479 +1.3 15 2460873 9.1382503 +13.532447 0.664044533 +1.5 16 2460874 9.1398446 +13.278268 0.653277632 +1.6 17 2460875 9.1362593 +13.051541 0.643129727 +1.8 18 2460876 9.1274986 +12.854099 0.633649095 +2.0 19 2460877 9.1136070 +12.687661 0.624887277 +2.2 20 2460878 9.0946765 +12.553785 0.616898900 +2.4 21 2460879 9.0708559 +12.453817 0.609741393 +2.6 22 2460880 9.0423590 +12.388837 0.603474564 +2.9 23 2460881 9.0094721 +12.359597 0.598160015 +3.2 24 2460882 8.9725606 +12.366467 0.593860407 +3.5 25 2460883 8.9320736 +12.409379 0.590638558 +3.8 26 2460884 8.8885456 +12.487786 0.588556406 +4.2 27 2460885 8.8425942 +12.600631 0.587673857 +4.5 28 2460886 8.7949153 +12.746332 0.588047572 +4.9 29 2460887 8.7462732 +12.922792 0.589729741 +5.2 30 2460888 8.6974878 +13.127417 0.592766912 +5.3 31 2460889 8.6494183 +13.357169 0.597198908 +5.3 xx 2460890 8.6029441 +13.608625 0.603057916 +5.2 xx 2460891 8.5589457 +13.878053 0.610367745 +4.8 xx JD12_TT RA_Hr Decl_Deg Dist_AU VMag Day ===========================================================================
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