areocentric


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Related to areocentric: Geocentric orbit

ar·e·o·cen·tric

(ăr′ē-ō-sĕn′trĭk)
adj.
Of or relating to a reference system based at the center of the planet Mars.
[Greek Arēs, Ares, the planet Mars + -centric.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

areocentric

(ˌɛərɪəʊˈsɛntrɪk)
adj
relating to a reference system which has Mars as its centre
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

ar•e•o•cen•tric

(ˌɛər i oʊˈsɛn trɪk)

adj.
centering or centered on the planet Mars.
[1875–80]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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References in periodicals archive ?
Throughout the present paper, [L.sub.s] refers to the areocentric longitude of the Sun measured from Mars; values of [L.sub.s] = 0[degrees], 90[degrees], 180[degrees], and 270 [degrees] refer to the beginning of spring, summer, fall, and winter in the northern hemisphere; all values of the areocentric longitude in this paper are taken from the Astronomical Almanac for the years 2008, 2010-2015.
Variability of Mars' seasonal north polar cap
Fournier in the form of a spiral diagram in polar projection in Jarry-Deslonges' Observations des Surfaces Planetaires, or with a standard cartesian graphic: The angular planetocentric cap radius R, expressed in degrees of latitude is plotted on the ordinate, and the corresponding areocentric longitude Ls is plotted on the abscissa.
A possible relationship between the recession velocity of the Martian polar caps and solar activity
(The areocentric longitude of the Sun from Mars is designated as [L.sub.s] and it determines the seasons on that planet; essentially, the beginning of the northern spring, summer, fall and winter are at [L.sub.s] = 0[degrees], 90[degrees], 180[degrees] and 270[degrees]).
The North Polar Cap of Mars
The planet came to opposition on 2010 Jan 29 at high north declination, minimal disk diameter (14 arcsec) and areocentric longitude (Ls) 44[degrees].
Mars in 2009-'10: an interim report
Throughout this report the areocentric longitude ([L.sub.s]) is used to report the seasonal date.
Some recent studies of Mars: the North Polar Cap, Cecropia and Hellas
Date limits of May 8-August 4 yield areocentric longitudes (Ls) 186-240[degrees].
Etienne Leopold Trouvelot and the planet-encircling martian dust storm of 1877