Mercury Ephemeris Calculator
Based on the 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
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 = 2026 Mar 10 - Tue Local Time = 13:42:17 Standard Time Std. Time Zone Offset = 00:00:00 Applied Delta T = +00:00:00 Astronomical JD TT = 2461110.07103009 =========================================================================== Geocentric Equatorial Coordinates of Mercury Right Ascension = 22h 55m 06.98s = 22.9186058h = 343.7790870° Declination = -03° 20' 08.65" = -3.335735° True Distance = 0.618144591 AU = 92.473115 Mkm = 57.460129 Mmi Visual Magnitude = +4.4 Angular Diameter = 10.871" Horizontal Parallax = 14.227" = 0.237111' = 0.003951858° Light/Signal Time = 05m 08.46s =========================================================================== 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 = 22h 55m 07.49s = 22.9187473h = 343.7812090° Topocentric Decl = -03° 20' 18.66" = -3.338515° Local Hour Angle = -03h 07m 10.70s = -46.79458870582° (W=Negative) Local Sidereal Time = 19h 47m 56.789s = 19.799108021h = 296.986620319° Azimuth = 304.85139° (Measured clockwise from S=0°) = 124.85139° (Measured clockwise from N=0°) Direction = SE Altitude = +27.53732° (Above Local Horizon - No refractions applied) =========================================================================== Mercury Ephemeris Table For Each Day Of Mar. 2026 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 2461098 23.4700789 -00.349742 0.759344506 +1.0 xx 2461099 23.4576465 -00.210571 0.737056629 +1.4 xx 2461100 23.4360362 -00.153587 0.716396550 +1.8 xx 2461101 23.4058073 -00.178898 0.697510718 +2.3 1 2461102 23.3677246 -00.284935 0.680520580 +2.9 2 2461103 23.3227496 -00.468339 0.665520447 +3.5 3 2461104 23.2720193 -00.723943 0.652575984 +4.1 4 2461105 23.2168138 -01.044850 0.641723433 +4.7 5 2461106 23.1585121 -01.422636 0.632969683 +5.2 6 2461107 23.0985424 -01.847648 0.626293259 +0.0 7 2461108 23.0383272 -02.309404 0.621646277 +5.3 8 2461109 22.9792310 -02.797034 0.618957272 +4.9 9 2461110 22.9225136 -03.299731 0.618134758 +4.4 10 2461111 22.8692932 -03.807167 0.619071288 +3.9 11 2461112 22.8205213 -04.309829 0.621647748 +3.5 12 2461113 22.7769695 -04.799271 0.625737587 +3.0 13 2461114 22.7392285 -05.268253 0.631210769 +2.7 14 2461115 22.7077159 -05.710791 0.637937249 +2.3 15 2461116 22.6826917 -06.122131 0.645789870 +2.0 16 2461117 22.6642777 -06.498655 0.654646634 +1.8 17 2461118 22.6524793 -06.837761 0.664392361 +1.6 18 2461119 22.6472076 -07.137719 0.674919799 +1.4 19 2461120 22.6483004 -07.397523 0.686130240 +1.2 20 2461121 22.6555404 -07.616755 0.697933751 +1.1 21 2461122 22.6686719 -07.795457 0.710249079 +0.9 22 2461123 22.6874145 -07.934022 0.723003342 +0.8 23 2461124 22.7114736 -08.033102 0.736131549 +0.7 24 2461125 22.7405499 -08.093531 0.749576038 +0.6 25 2461126 22.7743462 -08.116267 0.763285859 +0.6 26 2461127 22.8125725 -08.102339 0.777216150 +0.5 27 2461128 22.8549497 -08.052820 0.791327530 +0.5 28 2461129 22.9012122 -07.968793 0.805585511 +0.4 29 2461130 22.9511099 -07.851335 0.819959952 +0.4 30 2461131 23.0044083 -07.701505 0.834424553 +0.3 31 2461132 23.0608897 -07.520335 0.848956390 +0.3 xx 2461133 23.1203525 -07.308821 0.863535490 +0.3 xx 2461134 23.1826115 -07.067926 0.878144446 +0.2 xx JD12_TT RA_Hr Decl_Deg Dist_AU VMag Day ===========================================================================