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 Feb 04 - Wed Local Time = 01:05:26 Standard Time Std. Time Zone Offset = 00:00:00 Applied Delta T = +00:00:00 Astronomical JD TT = 2461075.54543981 =========================================================================== Geocentric Equatorial Coordinates of Mars Right Ascension = 20h 47m 21.47s = 20.7892976h = 311.8394640° Declination = -18° 59' 29.60" = -18.991556° True Distance = 2.374987634 AU = 355.293093 Mkm = 220.768893 Mmi Visual Magnitude = +1.2 Angular Diameter = 2.829" Horizontal Parallax = 3.703" = 0.061714' = 0.001028561° Light/Signal Time = 19m 45.13s =========================================================================== 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 = 20h 47m 21.31s = 20.7892523h = 311.8387849° Topocentric Decl = -18° 59' 31.50" = -18.992083° Local Hour Angle = -15h 52m 22.69s = -238.094546897° (W=Negative) Local Sidereal Time = 04h 54m 58.617s = 4.916282532h = 73.744237981° Azimuth = 97.12062° (Measured clockwise from S=0°) = 277.12062° (Measured clockwise from N=0°) Direction = W Altitude = -36.00670° (Invisible - Below Local Horizon) =========================================================================== Mars Ephemeris Table For Each Day Of Feb. 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 2461070 20.4919762 -20.074003 2.381813588 +1.2 xx 2461071 20.5458285 -19.886938 2.380601973 +1.2 xx 2461072 20.5995783 -19.696248 2.379381497 +1.2 xx 2461073 20.6532239 -19.501973 2.378152539 +1.2 1 2461074 20.7067639 -19.304154 2.376915372 +1.2 2 2461075 20.7601977 -19.102829 2.375670169 +1.2 3 2461076 20.8135246 -18.898040 2.374417020 +1.2 4 2461077 20.8667442 -18.689827 2.373155952 +1.2 5 2461078 20.9198562 -18.478236 2.371886950 +1.2 6 2461079 20.9728601 -18.263312 2.370609982 +1.2 7 2461080 21.0257554 -18.045104 2.369325005 +1.2 8 2461081 21.0785412 -17.823662 2.368031978 +1.2 9 2461082 21.1312170 -17.599037 2.366730863 +1.2 10 2461083 21.1837818 -17.371282 2.365421631 +1.2 11 2461084 21.2362347 -17.140451 2.364104257 +1.2 12 2461085 21.2885749 -16.906597 2.362778728 +1.2 13 2461086 21.3408015 -16.669775 2.361445046 +1.2 14 2461087 21.3929135 -16.430041 2.360103234 +1.2 15 2461088 21.4449102 -16.187450 2.358753347 +1.2 16 2461089 21.4967909 -15.942058 2.357395483 +1.2 17 2461090 21.5485551 -15.693920 2.356029797 +1.2 18 2461091 21.6002029 -15.443091 2.354656508 +1.2 19 2461092 21.6517344 -15.189626 2.353275910 +1.2 20 2461093 21.7031500 -14.933581 2.351888361 +1.2 21 2461094 21.7544504 -14.675013 2.350494284 +1.2 22 2461095 21.8056362 -14.413979 2.349094144 +1.2 23 2461096 21.8567078 -14.150538 2.347688431 +1.2 24 2461097 21.9076658 -13.884750 2.346277639 +1.2 25 2461098 21.9585106 -13.616674 2.344862239 +1.2 26 2461099 22.0092426 -13.346367 2.343442659 +1.2 27 2461100 22.0598627 -13.073884 2.342019263 +1.2 28 2461101 22.1103717 -12.799280 2.340592335 +1.2 xx 2461102 22.1607713 -12.522605 2.339162070 +1.2 xx 2461103 22.2110632 -12.243910 2.337728572 +1.2 xx JD12_TT RA_Hr Decl_Deg Dist_AU VMag Day ===========================================================================