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 Jul 19 - Sun Local Time = 06:29:10 Standard Time Std. Time Zone Offset = 00:00:00 Applied Delta T = +00:00:00 Astronomical JD TT = 2461240.77025463 =========================================================================== Geocentric Equatorial Coordinates of Mercury Right Ascension = 07h 17m 08.96s = 7.2858207h = 109.2873105° Declination = +17° 36' 42.05" = +17.611681° True Distance = 0.618049049 AU = 92.458822 Mkm = 57.451248 Mmi Visual Magnitude = +3.7 Angular Diameter = 10.873" Horizontal Parallax = 14.229" = 0.237148' = 0.003952469° Light/Signal Time = 05m 08.41s =========================================================================== 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 = 07h 17m 09.30s = 7.2859169h = 109.2887536° Topocentric Decl = +17° 36' 30.10" = +17.608362° Local Hour Angle = +13h 52m 58.24s = 208.24267815555° (W=Negative) Local Sidereal Time = 21h 10m 07.544s = 21.168762120h = 317.531431802° Azimuth = 209.65710° (Measured clockwise from S=0°) = 29.65710° (Measured clockwise from N=0°) Direction = NNE Altitude = -24.28143° (Invisible - Below Local Horizon) =========================================================================== Mercury Ephemeris Table For Each Day Of Jul. 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 2461220 7.8558240 +19.099815 0.639005940 +1.9 xx 2461221 7.8562693 +18.829029 0.628396401 +2.0 xx 2461222 7.8513941 +18.572440 0.618509098 +2.2 xx 2461223 7.8412869 +18.331584 0.609384429 +2.5 1 2461224 7.8260833 +18.107924 0.601064366 +2.7 2 2461225 7.8059723 +17.902832 0.593592126 +2.9 3 2461226 7.7812023 +17.717574 0.587011746 +3.2 4 2461227 7.7520853 +17.553282 0.581367569 +3.5 5 2461228 7.7190008 +17.410943 0.576703645 +3.8 6 2461229 7.6823964 +17.291371 0.573063066 +4.1 7 2461230 7.6427876 +17.195194 0.570487242 +4.5 8 2461231 7.6007530 +17.122839 0.569015169 +4.8 9 2461232 7.5569288 +17.074517 0.568682700 +5.1 10 2461233 7.5119990 +17.050219 0.569521867 +5.3 11 2461234 7.4666841 +17.049705 0.571560289 +5.5 12 2461235 7.4217277 +17.072508 0.574820683 +5.5 13 2461236 7.3778828 +17.117935 0.579320493 +5.3 14 2461237 7.3358975 +17.185070 0.585071647 +5.0 15 2461238 7.2965005 +17.272789 0.592080428 +4.7 16 2461239 7.2603889 +17.379774 0.600347462 +4.3 17 2461240 7.2282159 +17.504523 0.609867804 +4.0 18 2461241 7.2005823 +17.645373 0.620631125 +3.6 19 2461242 7.1780288 +17.800509 0.632621956 +3.2 20 2461243 7.1610325 +17.967979 0.645819966 +2.9 21 2461244 7.1500053 +18.145706 0.660200242 +2.6 22 2461245 7.1452942 +18.331497 0.675733513 +2.3 23 2461246 7.1471839 +18.523054 0.692386313 +2.0 24 2461247 7.1559005 +18.717975 0.710121025 +1.7 25 2461248 7.1716160 +18.913762 0.728895820 +1.4 26 2461249 7.1944526 +19.107825 0.748664445 +1.2 27 2461250 7.2244880 +19.297482 0.769375892 +1.0 28 2461251 7.2617589 +19.479963 0.790973924 +0.8 29 2461252 7.3062646 +19.652415 0.813396503 +0.6 30 2461253 7.3579696 +19.811906 0.836575120 +0.4 31 2461254 7.4168049 +19.955438 0.860434082 +0.2 xx 2461255 7.4826683 +20.079957 0.884889802 +0.1 xx 2461256 7.5554238 +20.182377 0.909850159 -0.1 xx JD12_TT RA_Hr Decl_Deg Dist_AU VMag Day ===========================================================================