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 = 2026 Jul 15 - Wed Local Time = 12:11:19 Standard Time Std. Time Zone Offset = 00:00:00 Applied Delta T = +00:00:00 Astronomical JD TT = 2461237.00785880 =========================================================================== Geocentric Equatorial Coordinates of Mars Right Ascension = 04h 41m 03.07s = 4.6841857h = 70.2627855° Declination = +22° 04' 29.16" = +22.074767° True Distance = 2.059880312 AU = 308.153709 Mkm = 191.477837 Mmi Visual Magnitude = +1.3 Angular Diameter = 4.544" Horizontal Parallax = 4.269" = 0.071154' = 0.001185904° Light/Signal Time = 17m 07.89s =========================================================================== 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 = 04h 41m 03.19s = 4.6842179h = 70.2632689° Topocentric Decl = +22° 04' 27.50" = +22.074306° Local Hour Angle = -02h 03m 36.65s = -30.902704111678° (W=Negative) Local Sidereal Time = 02h 37m 26.536s = 2.624037649h = 39.360564742° Azimuth = 298.99969° (Measured clockwise from S=0°) = 118.99969° (Measured clockwise from N=0°) Direction = ESE Altitude = +57.03270° (Above Local Horizon - No refractions applied) =========================================================================== Mars Ephemeris Table For Each Day Of Jul. 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 2461220 3.8440936 +19.779739 2.113963017 +1.3 xx 2461221 3.8933410 +19.941413 2.111037149 +1.3 xx 2461222 3.9426153 +20.099832 2.108082397 +1.3 xx 2461223 3.9919150 +20.254976 2.105098259 +1.3 1 2461224 4.0412386 +20.406827 2.102084198 +1.3 2 2461225 4.0905843 +20.555365 2.099039645 +1.3 3 2461226 4.1399508 +20.700571 2.095964002 +1.3 4 2461227 4.1893364 +20.842430 2.092856647 +1.3 5 2461228 4.2387395 +20.980922 2.089716943 +1.3 6 2461229 4.2881584 +21.116035 2.086544242 +1.3 7 2461230 4.3375915 +21.247754 2.083337903 +1.3 8 2461231 4.3870368 +21.376067 2.080097302 +1.3 9 2461232 4.4364919 +21.500966 2.076821858 +1.3 10 2461233 4.4859539 +21.622442 2.073511057 +1.3 11 2461234 4.5354193 +21.740486 2.070164477 +1.3 12 2461235 4.5848844 +21.855090 2.066781813 +1.3 13 2461236 4.6343449 +21.966243 2.063362882 +1.3 14 2461237 4.6837971 +22.073934 2.059907610 +1.3 15 2461238 4.7332378 +22.178154 2.056416005 +1.3 16 2461239 4.7826643 +22.278894 2.052888119 +1.3 17 2461240 4.8320745 +22.376152 2.049324007 +1.3 18 2461241 4.8814662 +22.469926 2.045723703 +1.3 19 2461242 4.9308378 +22.560218 2.042087196 +1.3 20 2461243 4.9801870 +22.647029 2.038414430 +1.3 21 2461244 5.0295119 +22.730365 2.034705298 +1.3 22 2461245 5.0788101 +22.810227 2.030959649 +1.3 23 2461246 5.1280792 +22.886622 2.027177289 +1.3 24 2461247 5.1773167 +22.959552 2.023357985 +1.3 25 2461248 5.2265202 +23.029023 2.019501464 +1.3 26 2461249 5.2756868 +23.095039 2.015607414 +1.3 27 2461250 5.3248141 +23.157605 2.011675485 +1.3 28 2461251 5.3738993 +23.216724 2.007705284 +1.3 29 2461252 5.4229398 +23.272402 2.003696375 +1.3 30 2461253 5.4719331 +23.324642 1.999648282 +1.3 31 2461254 5.5208766 +23.373450 1.995560493 +1.3 xx 2461255 5.5697681 +23.418833 1.991432460 +1.3 xx 2461256 5.6186050 +23.460799 1.987263616 +1.3 xx JD12_TT RA_Hr Decl_Deg Dist_AU VMag Day ===========================================================================
Programmed in PHP by Jay Tanner - 2026 - v4.0