Mars 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.
Mars Ephemeris Statistics Referred to True Ecliptic and Equinox of Date Based on the NASA/JPL DE405 Ephemeris Model Local Date = 2025 Nov 17 - Mon Local Time = 08:17:06 Standard Time Std. Time Zone Offset = 00:00:00 Applied Delta T = +00:00:00 Astronomical JD TT = 2460996.84520833 =========================================================================== Geocentric Equatorial Coordinates of Mars Right Ascension = 16h 29m 53.81s = 16.4982813h = 247.4742195° Declination = -22° 22' 32.88" = -22.375800° True Distance = 2.421040636 AU = 362.182524 Mkm = 225.049787 Mmi Visual Magnitude = +1.4 Angular Diameter = 3.866" Horizontal Parallax = 3.632" = 0.060540' = 0.001008996° Light/Signal Time = 20m 08.11s =========================================================================== Local Topocentric Coordinates of Mars For Geographic Location: Longitude = -76.833611111° = -05h 07m 20.1s (W=Negative) Latitude = +42.752194444° Elevation = 0 m Topocentric RA = 16h 29m 53.93s = 16.4983132h = 247.4746981° Topocentric Decl = -22° 22' 34.33" = -22.376203° Local Hour Angle = -09h 33m 32.53s = -143.38556322969° (W=Negative) Local Sidereal Time = 06h 56m 21.392s = 6.939275659h = 104.089134884° Azimuth = 247.86774° (Measured clockwise from S=0°) = 67.86774° (Measured clockwise from N=0°) Direction = ENE Altitude = -53.45964° (Invisible - Below Local Horizon) =========================================================================== Mars Ephemeris Table For Each Day Of Nov. 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 2460978 15.5510272 -19.538967 2.406295664 +1.5 xx 2460979 15.5997572 -19.716065 2.407415126 +1.5 xx 2460980 15.6486605 -19.890437 2.408494159 +1.5 xx 2460981 15.6977367 -20.062034 2.409533353 +1.5 1 2460982 15.7469857 -20.230809 2.410533334 +1.5 2 2460983 15.7964078 -20.396716 2.411494745 +1.5 3 2460984 15.8460034 -20.559713 2.412418217 +1.4 4 2460985 15.8957729 -20.719759 2.413304328 +1.4 5 2460986 15.9457165 -20.876816 2.414153570 +1.4 6 2460987 15.9958337 -21.030845 2.414966316 +1.4 7 2460988 16.0461237 -21.181801 2.415742812 +1.4 8 2460989 16.0965851 -21.329639 2.416483194 +1.4 9 2460990 16.1472169 -21.474311 2.417187515 +1.4 10 2460991 16.1980177 -21.615767 2.417855779 +1.4 11 2460992 16.2489865 -21.753959 2.418487973 +1.4 12 2460993 16.3001222 -21.888839 2.419084085 +1.4 13 2460994 16.3514237 -22.020360 2.419644123 +1.4 14 2460995 16.4028896 -22.148478 2.420168120 +1.4 15 2460996 16.4545184 -22.273148 2.420656140 +1.4 16 2460997 16.5063084 -22.394327 2.421108282 +1.4 17 2460998 16.5582574 -22.511972 2.421524680 +1.4 18 2460999 16.6103634 -22.626042 2.421905506 +1.4 19 2461000 16.6626236 -22.736497 2.422250975 +1.4 20 2461001 16.7150354 -22.843294 2.422561341 +1.4 21 2461002 16.7675957 -22.946394 2.422836905 +1.4 22 2461003 16.8203013 -23.045757 2.423078011 +1.4 23 2461004 16.8731489 -23.141342 2.423285052 +1.4 24 2461005 16.9261352 -23.233111 2.423458464 +1.4 25 2461006 16.9792566 -23.321024 2.423598732 +1.4 26 2461007 17.0325098 -23.405042 2.423706389 +1.4 27 2461008 17.0858917 -23.485128 2.423782016 +1.3 28 2461009 17.1393991 -23.561245 2.423826242 +1.3 29 2461010 17.1930291 -23.633359 2.423839738 +1.3 30 2461011 17.2467793 -23.701437 2.423823204 +1.3 xx 2461012 17.3006472 -23.765451 2.423777351 +1.3 xx 2461013 17.3546301 -23.825376 2.423702867 +1.3 xx JD12_TT RA_Hr Decl_Deg Dist_AU VMag Day ===========================================================================
Programmed in PHP by Jay Tanner - 2025 - v4.0