Mars 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.
Mars Ephemeris Statistics Referred to True Ecliptic and Equinox of Date Based on the NASA/JPL DE405 Ephemeris Model Local Date = 2026 Mar 14 - Sat Local Time = 08:33:38 Standard Time Std. Time Zone Offset = 00:00:00 Applied Delta T = +00:00:00 Astronomical JD TT = 2461113.85668981 =========================================================================== Geocentric Equatorial Coordinates of Mars Right Ascension = 22h 45m 02.35s = 22.7506540h = 341.2598100° Declination = -09° 06' 10.36" = -9.102877° True Distance = 2.321930723 AU = 347.355892 Mkm = 215.836945 Mmi Visual Magnitude = +1.2 Angular Diameter = 2.894" Horizontal Parallax = 3.787" = 0.063124' = 0.001052064° Light/Signal Time = 19m 18.66s =========================================================================== 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 = 22h 45m 02.52s = 22.7507003h = 341.2605038° Topocentric Decl = -09° 06' 12.68" = -9.103522° Local Hour Angle = -07h 50m 49.20s = -117.70500937465° (W=Negative) Local Sidereal Time = 14h 54m 13.319s = 14.903699625h = 223.555494379° Azimuth = 257.39757° (Measured clockwise from S=0°) = 77.39757° (Measured clockwise from N=0°) Direction = ENE Altitude = -26.39085° (Invisible - Below Local Horizon) =========================================================================== Mars Ephemeris Table For Each Day Of Mar. 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 2461098 21.9585106 -13.616674 2.344862239 +1.2 xx 2461099 22.0092426 -13.346367 2.343442659 +1.2 xx 2461100 22.0598627 -13.073884 2.342019263 +1.2 xx 2461101 22.1103717 -12.799280 2.340592335 +1.2 1 2461102 22.1607713 -12.522605 2.339162070 +1.2 2 2461103 22.2110632 -12.243910 2.337728572 +1.2 3 2461104 22.2612493 -11.963246 2.336291861 +1.2 4 2461105 22.3113319 -11.680663 2.334851884 +1.2 5 2461106 22.3613128 -11.396214 2.333408532 +1.2 6 2461107 22.4111941 -11.109953 2.331961656 +1.2 7 2461108 22.4609775 -10.821937 2.330511079 +1.2 8 2461109 22.5106645 -10.532220 2.329056612 +1.2 9 2461110 22.5602567 -10.240861 2.327598052 +1.2 10 2461111 22.6097554 -09.947919 2.326135194 +1.2 11 2461112 22.6591619 -09.653452 2.324667829 +1.2 12 2461113 22.7084774 -09.357519 2.323195748 +1.2 13 2461114 22.7577031 -09.060181 2.321718743 +1.2 14 2461115 22.8068403 -08.761496 2.320236614 +1.2 15 2461116 22.8558903 -08.461525 2.318749180 +1.2 16 2461117 22.9048542 -08.160327 2.317256289 +1.2 17 2461118 22.9537337 -07.857961 2.315757840 +1.2 18 2461119 23.0025305 -07.554484 2.314253796 +1.2 19 2461120 23.0512465 -07.249954 2.312744201 +1.2 20 2461121 23.0998837 -06.944428 2.311229186 +1.2 21 2461122 23.1484440 -06.637966 2.309708963 +1.2 22 2461123 23.1969291 -06.330627 2.308183808 +1.2 23 2461124 23.2453406 -06.022469 2.306654036 +1.2 24 2461125 23.2936800 -05.713554 2.305119973 +1.2 25 2461126 23.3419488 -05.403938 2.303581929 +1.2 26 2461127 23.3901487 -05.093679 2.302040174 +1.2 27 2461128 23.4382819 -04.782830 2.300494920 +1.2 28 2461129 23.4863506 -04.471443 2.298946310 +1.2 29 2461130 23.5343575 -04.159568 2.297394414 +1.2 30 2461131 23.5823056 -03.847253 2.295839221 +1.2 31 2461132 23.6301978 -03.534548 2.294280646 +1.2 xx 2461133 23.6780372 -03.221500 2.292718533 +1.2 xx 2461134 23.7258265 -02.908159 2.291152667 +1.2 xx JD12_TT RA_Hr Decl_Deg Dist_AU VMag Day ===========================================================================