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 Aug 14 - Fri Local Time = 18:07:36 Standard Time Std. Time Zone Offset = 00:00:00 Applied Delta T = +00:00:00 Astronomical JD TT = 2461267.25527778 =========================================================================== Geocentric Equatorial Coordinates of Mercury Right Ascension = 08h 45m 56.38s = 8.7656600h = 131.4849000° Declination = +18° 58' 20.83" = +18.972454° True Distance = 1.188709752 AU = 177.828448 Mkm = 110.497475 Mmi Visual Magnitude = -1.1 Angular Diameter = 5.653" Horizontal Parallax = 7.398" = 0.123301' = 0.002055018° Light/Signal Time = 09m 53.17s =========================================================================== 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 = 08h 45m 56.20s = 8.7656120h = 131.4841804° Topocentric Decl = +18° 58' 17.69" = +18.971580° Local Hour Angle = +01h 47m 02.55s = 26.760636350352° (W=Negative) Local Sidereal Time = 10h 32m 58.756s = 10.549654451h = 158.244816763° Azimuth = 51.84963° (Measured clockwise from S=0°) = 231.84963° (Measured clockwise from N=0°) Direction = SW Altitude = +57.21641° (Above Local Horizon - No refractions applied) =========================================================================== Mercury Ephemeris Table For Each Day Of Aug. 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 2461251 7.2617589 +19.479963 0.790973924 +0.8 xx 2461252 7.3062646 +19.652415 0.813396503 +0.6 xx 2461253 7.3579696 +19.811906 0.836575120 +0.4 xx 2461254 7.4168049 +19.955438 0.860434082 +0.2 1 2461255 7.4826683 +20.079957 0.884889802 +0.1 2 2461256 7.5554238 +20.182377 0.909850159 -0.1 3 2461257 7.6349001 +20.259608 0.935214009 -0.2 4 2461258 7.7208883 +20.308589 0.960870939 -0.4 5 2461259 7.8131392 +20.326337 0.986701371 -0.5 6 2461260 7.9113613 +20.309997 1.012577120 -0.6 7 2461261 8.0152186 +20.256909 1.038362504 -0.7 8 2461262 8.1243298 +20.164669 1.063916055 -0.8 9 2461263 8.2382701 +20.031207 1.089092868 -0.9 10 2461264 8.3565737 +19.854848 1.113747525 -0.9 11 2461265 8.4787398 +19.634379 1.137737467 -1.0 12 2461266 8.6042404 +19.369094 1.160926622 -1.1 13 2461267 8.7325301 +19.058830 1.183189034 -1.1 14 2461268 8.8630571 +18.703972 1.204412201 -1.2 15 2461269 8.9952752 +18.305444 1.224499860 -1.3 16 2461270 9.1286554 +17.864667 1.243374008 -1.3 17 2461271 9.2626969 +17.383499 1.260976001 -1.4 18 2461272 9.3969365 +16.864170 1.277266709 -1.5 19 2461273 9.5309556 +16.309190 1.292225795 -1.5 20 2461274 9.6643847 +15.721272 1.305850238 -1.6 21 2461275 9.7969059 +15.103248 1.318152319 -1.7 22 2461276 9.9282527 +14.457992 1.329157264 -1.7 23 2461277 10.0582080 +13.788361 1.338900755 -1.8 24 2461278 10.1866013 +13.097141 1.347426469 -1.9 25 2461279 10.3133043 +12.387006 1.354783790 -1.9 26 2461280 10.4382261 +11.660489 1.361025753 -2.0 27 2461281 10.5613080 +10.919961 1.366207284 -1.9 28 2461282 10.6825190 +10.167642 1.370383749 -1.8 29 2461283 10.8018520 +09.405579 1.373609788 -1.7 30 2461284 10.9193191 +08.635648 1.375938421 -1.6 31 2461285 11.0349471 +07.859565 1.377420398 -1.4 xx 2461286 11.1487749 +07.078898 1.378103743 -1.3 xx 2461287 11.2608500 +06.295073 1.378033466 -1.2 xx JD12_TT RA_Hr Decl_Deg Dist_AU VMag Day ===========================================================================