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 = 2024 Oct 04 - Fri Local Time = 08:45:28 Standard Time Std. Time Zone Offset = 00:00:00 Applied Delta T = +00:00:00 Astronomical JD TT = 2460587.86490741 =========================================================================== Geocentric Equatorial Coordinates of Mars Right Ascension = 07h 12m 17.56s = 7.2048774h = 108.0731610° Declination = +23° 00' 49.88" = +23.013855° True Distance = 1.217427189 AU = 182.124515 Mkm = 113.166927 Mmi Visual Magnitude = +0.5 Angular Diameter = 5.520" Horizontal Parallax = 7.224" = 0.120393' = 0.002006543° Light/Signal Time = 10m 07.50s =========================================================================== 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 = 07h 12m 17.81s = 7.2049461h = 108.0741917° Topocentric Decl = +23° 00' 46.98" = +23.013050° Local Hour Angle = -02h 40m 01.25s = -40.005207142081° (W=Negative) Local Sidereal Time = 04h 32m 16.556s = 4.537932303h = 68.068984538° Azimuth = 287.93618° (Measured clockwise from S=0°) = 107.93618° (Measured clockwise from N=0°) Direction = ESE Altitude = +51.54343° (Above Local Horizon - No refractions applied) =========================================================================== Mars Ephemeris Table For Each Day Of Oct. 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 2460582 6.9829383 +23.219442 1.257483247 +0.5 xx 2460583 7.0214929 +23.187721 1.250722697 +0.5 xx 2460584 7.0597612 +23.154551 1.243932847 +0.5 xx 2460585 7.0977380 +23.119992 1.237114319 +0.5 1 2460586 7.1354180 +23.084106 1.230267776 +0.5 2 2460587 7.1727961 +23.046956 1.223393915 +0.5 3 2460588 7.2098673 +23.008606 1.216493462 +0.5 4 2460589 7.2466266 +22.969121 1.209567166 +0.5 5 2460590 7.2830689 +22.928568 1.202615791 +0.4 6 2460591 7.3191893 +22.887015 1.195640113 +0.4 7 2460592 7.3549826 +22.844529 1.188640908 +0.4 8 2460593 7.3904438 +22.801179 1.181618951 +0.4 9 2460594 7.4255676 +22.757032 1.174575002 +0.4 10 2460595 7.4603488 +22.712155 1.167509797 +0.4 11 2460596 7.4947823 +22.666615 1.160424035 +0.4 12 2460597 7.5288630 +22.620477 1.153318360 +0.4 13 2460598 7.5625861 +22.573802 1.146193349 +0.3 14 2460599 7.5959467 +22.526654 1.139049500 +0.3 15 2460600 7.6289403 +22.479097 1.131887238 +0.3 16 2460601 7.6615618 +22.431198 1.124706942 +0.3 17 2460602 7.6938058 +22.383028 1.117508977 +0.3 18 2460603 7.7256656 +22.334665 1.110293757 +0.3 19 2460604 7.7571335 +22.286190 1.103061780 +0.3 20 2460605 7.7882010 +22.237683 1.095813668 +0.3 21 2460606 7.8188592 +22.189229 1.088550179 +0.2 22 2460607 7.8490990 +22.140909 1.081272202 +0.2 23 2460608 7.8789114 +22.092805 1.073980747 +0.2 24 2460609 7.9082874 +22.045000 1.066676932 +0.2 25 2460610 7.9372181 +21.997576 1.059361969 +0.2 26 2460611 7.9656949 +21.950618 1.052037152 +0.2 27 2460612 7.9937090 +21.904210 1.044703854 +0.2 28 2460613 8.0212518 +21.858438 1.037363520 +0.1 29 2460614 8.0483146 +21.813388 1.030017662 +0.1 30 2460615 8.0748886 +21.769149 1.022667857 +0.1 31 2460616 8.1009650 +21.725808 1.015315741 +0.1 xx 2460617 8.1265350 +21.683455 1.007963004 +0.1 xx 2460618 8.1515895 +21.642179 1.000611382 +0.1 xx JD12_TT RA_Hr Decl_Deg Dist_AU VMag Day ===========================================================================