In fact, Mars has an orbit much more eccentric than the Earth's, and its perihelion cycle (which has a period of 51,000 years) does apparently have a significant effect on climate and prevailing wind direction there.he two effects â the precession of the axis of rotation and the change in the orbit's orientation â work together to shift the seasons with respect to perihelion. Because we use a calendar year that is aligned to the occurrence of the seasons, the date of perihelion gradually regresses through the year.
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Country Region Basic Support ProSupport. Anguilla ABU* U.S. (512) 723-0010 or TOLL FREE dialing 800-335 1-800-335-0031. Antiqua & Barbuda ABU 1-800-805-5924 1-8774414735. Argentina ABU 0800-222-0154 0-800-6660153. Aruba ABU 800-1727 800-1728. Bahamas ABU 1-866-874-3038 1-8666824502. Barbados ABU 1-800-534-3349 1-800-5343272.