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 May 16 - Sat Local Time = 07:15:58 Standard Time Std. Time Zone Offset = 00:00:00 Applied Delta T = +00:00:00 Astronomical JD TT = 2461176.80275463 =========================================================================== Geocentric Equatorial Coordinates of Mars Right Ascension = 01h 45m 11.64s = 1.7532339h = 26.2985085° Declination = +10° 02' 58.46" = +10.049573° True Distance = 2.217022576 AU = 331.661857 Mkm = 206.085123 Mmi Visual Magnitude = +1.3 Angular Diameter = 4.222" Horizontal Parallax = 3.967" = 0.066111' = 0.001101847° Light/Signal Time = 18m 26.30s =========================================================================== 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 = 01h 45m 11.81s = 1.7532814h = 26.2992204° Topocentric Decl = +10° 02' 55.57" = +10.048769° Local Hour Angle = +15h 59m 31.67s = 239.88194900321° (W=Negative) Local Sidereal Time = 17h 44m 43.481s = 17.745411291h = 266.181169358° Azimuth = 241.44413° (Measured clockwise from S=0°) = 61.44413° (Measured clockwise from N=0°) Direction = ENE Altitude = -14.14396° (Invisible - Below Local Horizon) =========================================================================== Mars Ephemeris Table For Each Day Of May. 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 2461159 0.9105128 +04.865188 2.249881126 +1.2 xx 2461160 0.9577193 +05.167555 2.248126180 +1.2 xx 2461161 1.0049312 +05.468830 2.246362681 +1.2 xx 2461162 1.0521510 +05.768972 2.244590329 +1.2 1 2461163 1.0993808 +06.067937 2.242808774 +1.2 2 2461164 1.1466228 +06.365681 2.241017621 +1.2 3 2461165 1.1938788 +06.662159 2.239216438 +1.2 4 2461166 1.2411507 +06.957325 2.237404759 +1.2 5 2461167 1.2884401 +07.251132 2.235582097 +1.2 6 2461168 1.3357484 +07.543535 2.233747940 +1.2 7 2461169 1.3830772 +07.834485 2.231901760 +1.2 8 2461170 1.4304279 +08.123936 2.230043014 +1.2 9 2461171 1.4778019 +08.411841 2.228171148 +1.2 10 2461172 1.5252005 +08.698151 2.226285603 +1.2 11 2461173 1.5726253 +08.982821 2.224385823 +1.3 12 2461174 1.6200777 +09.265805 2.222471271 +1.3 13 2461175 1.6675591 +09.547057 2.220541452 +1.3 14 2461176 1.7150709 +09.826535 2.218595936 +1.3 15 2461177 1.7626141 +10.104194 2.216634388 +1.3 16 2461178 1.8101893 +10.379990 2.214656584 +1.3 17 2461179 1.8577965 +10.653879 2.212662417 +1.3 18 2461180 1.9054357 +10.925812 2.210651875 +1.3 19 2461181 1.9531067 +11.195743 2.208625007 +1.3 20 2461182 2.0008100 +11.463628 2.206581885 +1.3 21 2461183 2.0485462 +11.729424 2.204522565 +1.3 22 2461184 2.0963167 +11.993092 2.202447063 +1.3 23 2461185 2.1441228 +12.254595 2.200355336 +1.3 24 2461186 2.1919661 +12.513898 2.198247281 +1.3 25 2461187 2.2398481 +12.770967 2.196122733 +1.3 26 2461188 2.2877704 +13.025769 2.193981468 +1.3 27 2461189 2.3357342 +13.278270 2.191823207 +1.3 28 2461190 2.3837406 +13.528438 2.189647619 +1.3 29 2461191 2.4317906 +13.776238 2.187454326 +1.3 30 2461192 2.4798849 +14.021636 2.185242905 +1.3 31 2461193 2.5280240 +14.264598 2.183012892 +1.3 xx 2461194 2.5762085 +14.505086 2.180763786 +1.3 xx 2461195 2.6244385 +14.743067 2.178495055 +1.3 xx JD12_TT RA_Hr Decl_Deg Dist_AU VMag Day ===========================================================================
Programmed in PHP by Jay Tanner - 2026 - v4.0