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 May 05 - Sun Local Time = 04:52:15 Standard Time Std. Time Zone Offset = 00:00:00 Applied Delta T = +00:00:00 Astronomical JD TT = 2460435.70295139 =========================================================================== Geocentric Equatorial Coordinates of Mars Right Ascension = 00h 14m 52.33s = 0.2478700h = 3.7180500° Declination = +00° 14' 13.18" = +0.236995° True Distance = 1.960872605 AU = 293.342366 Mkm = 182.274496 Mmi Visual Magnitude = +1.1 Angular Diameter = 3.427" Horizontal Parallax = 4.485" = 0.074747' = 0.001245782° Light/Signal Time = 16m 18.48s =========================================================================== 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 = 00h 14m 52.46s = 0.2479060h = 3.7185894° Topocentric Decl = +00° 14' 10.14" = +0.236151° Local Hour Angle = +14h 24m 16.21s = 216.06752715861° (W=Negative) Local Sidereal Time = 14h 39m 08.668s = 14.652407771h = 219.786116558° Azimuth = 226.85809° (Measured clockwise from S=0°) = 46.85809° (Measured clockwise from N=0°) Direction = NE Altitude = -36.20999° (Invisible - Below Local Horizon) =========================================================================== Mars Ephemeris Table For Each Day Of May 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 2460429 23.9322045 -01.820624 1.986091118 +1.1 xx 2460430 23.9793920 -01.513408 1.982329510 +1.1 xx 2460431 0.0265444 -01.206192 1.978568378 +1.1 xx 2460432 0.0736629 -00.899029 1.974807242 +1.1 1 2460433 0.1207490 -00.591977 1.971045636 +1.1 2 2460434 0.1678041 -00.285088 1.967283121 +1.1 3 2460435 0.2148298 +00.021581 1.963519317 +1.1 4 2460436 0.2618280 +00.327979 1.959753918 +1.1 5 2460437 0.3088004 +00.634053 1.955986719 +1.1 6 2460438 0.3557488 +00.939751 1.952217614 +1.1 7 2460439 0.4026746 +01.245018 1.948446599 +1.1 8 2460440 0.4495792 +01.549801 1.944673741 +1.1 9 2460441 0.4964635 +01.854045 1.940899155 +1.1 10 2460442 0.5433286 +02.157697 1.937122965 +1.1 11 2460443 0.5901759 +02.460704 1.933345282 +1.1 12 2460444 0.6370067 +02.763016 1.929566187 +1.1 13 2460445 0.6838228 +03.064584 1.925785714 +1.1 14 2460446 0.7306261 +03.365363 1.922003854 +1.1 15 2460447 0.7774187 +03.665306 1.918220553 +1.1 16 2460448 0.8242028 +03.964370 1.914435713 +1.1 17 2460449 0.8709806 +04.262511 1.910649196 +1.1 18 2460450 0.9177545 +04.559687 1.906860819 +1.1 19 2460451 0.9645267 +04.855856 1.903070356 +1.1 20 2460452 1.0112994 +05.150977 1.899277535 +1.1 21 2460453 1.0580750 +05.445008 1.895482028 +1.1 22 2460454 1.1048553 +05.737909 1.891683453 +1.1 23 2460455 1.1516422 +06.029637 1.887881365 +1.1 24 2460456 1.1984372 +06.320149 1.884075261 +1.1 25 2460457 1.2452417 +06.609399 1.880264584 +1.1 26 2460458 1.2920567 +06.897340 1.876448731 +1.1 27 2460459 1.3388832 +07.183927 1.872627069 +1.1 28 2460460 1.3857221 +07.469109 1.868798953 +1.1 29 2460461 1.4325744 +07.752840 1.864963745 +1.1 30 2460462 1.4794410 +08.035072 1.861120837 +1.1 31 2460463 1.5263233 +08.315758 1.857269675 +1.1 xx 2460464 1.5732221 +08.594854 1.853409772 +1.1 xx 2460465 1.6201383 +08.872314 1.849540730 +1.1 xx JD12_TT RA_Hr Decl_Deg Dist_AU VMag Day ===========================================================================