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 = 2024 Apr 23 - Tue Local Time = 08:41:17 Standard Time Std. Time Zone Offset = 00:00:00 Applied Delta T = +00:00:00 Astronomical JD TT = 2460423.86200231 =========================================================================== Geocentric Equatorial Coordinates of Mercury Right Ascension = 01h 03m 56.93s = 1.0658128h = 15.9871920° Declination = +05° 37' 17.27" = +5.621464° True Distance = 0.613570320 AU = 91.788813 Mkm = 57.034924 Mmi Visual Magnitude = +2.2 Angular Diameter = 10.952" Horizontal Parallax = 14.333" = 0.238879' = 0.003981319° Light/Signal Time = 05m 06.17s =========================================================================== 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 = 01h 03m 57.59s = 1.0659964h = 15.9899457° Topocentric Decl = +05° 37' 07.27" = +5.618687° Local Hour Angle = +16h 37m 32.02s = 249.38343772123° (W=Negative) Local Sidereal Time = 17h 41m 29.612s = 17.691558896h = 265.373383438° Azimuth = 251.60483° (Measured clockwise from S=0°) = 71.60483° (Measured clockwise from N=0°) Direction = ENE Altitude = -11.00240° (Invisible - Below Local Horizon) =========================================================================== Mercury Ephemeris Table For Each Day Of Apr. 2024 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 2460399 1.5634452 +13.073613 0.781254466 +0.7 xx 2460400 1.5839198 +13.288620 0.758274508 +0.9 xx 2460401 1.5970633 +13.438477 0.736386016 +1.2 xx 2460402 1.6029863 +13.522549 0.715678757 +1.6 1 2460403 1.6018843 +13.540678 0.696232300 +1.9 2 2460404 1.5940431 +13.493271 0.678116205 +2.3 3 2460405 1.5798419 +13.381389 0.661390125 +2.7 4 2460406 1.5597547 +13.206842 0.646103796 +3.1 5 2460407 1.5343481 +12.972274 0.632296933 +3.6 6 2460408 1.5042753 +12.681222 0.619999067 +4.1 7 2460409 1.4702662 +12.338148 0.609229353 +4.6 8 2460410 1.4331127 +11.948427 0.599996414 +5.2 9 2460411 1.3936521 +11.518282 0.592298264 +0.0 10 2460412 1.3527460 +11.054670 0.586122375 +0.0 11 2460413 1.3112592 +10.565124 0.581445945 +0.0 12 2460414 1.2700382 +10.057551 0.578236411 +0.0 13 2460415 1.2298899 +09.540008 0.576452206 +5.5 14 2460416 1.1915641 +09.020478 0.576043785 +5.0 15 2460417 1.1557385 +08.506639 0.576954830 +4.5 16 2460418 1.1230081 +08.005679 0.579123622 +4.1 17 2460419 1.0938791 +07.524134 0.582484455 +3.7 18 2460420 1.0687666 +07.067777 0.586969071 +3.4 19 2460421 1.0479969 +06.641552 0.592508003 +3.0 20 2460422 1.0318115 +06.249557 0.599031804 +2.7 21 2460423 1.0203747 +05.895051 0.606472118 +2.5 22 2460424 1.0137818 +05.580506 0.614762562 +2.2 23 2460425 1.0120682 +05.307672 0.623839431 +2.0 24 2460426 1.0152193 +05.077650 0.633642215 +1.8 25 2460427 1.0231788 +04.890983 0.644113963 +1.6 26 2460428 1.0358582 +04.747740 0.655201489 +1.5 27 2460429 1.0531438 +04.647592 0.666855467 +1.3 28 2460430 1.0749042 +04.589896 0.679030420 +1.2 29 2460431 1.1009958 +04.573754 0.691684631 +1.1 30 2460432 1.1312684 +04.598077 0.704780000 +1.0 xx 2460433 1.1655694 +04.661636 0.718281849 +0.9 xx 2460434 1.2037470 +04.763099 0.732158705 +0.8 xx JD12_TT RA_Hr Decl_Deg Dist_AU VMag Day ===========================================================================