lsubs
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Latest revision as of 15:29, 4 December 2010
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Contents: Description, Arguments, Usage, Examples, Related Functions, Source Supported Under Version: >1.00
Description Calculates Ls (Mars season) also known as solar longitude or heliocentric longitude given an ephemeris time (seconds since January 1, 2000). This routine uses a hand-fitted curve that was shown to approximate kernel-based calculations for the years 2000 to 2050. Over that time period, the maximum error is within 0.4 degrees. The maximum error is even less during the years 2002 to 2018, under 0.26 degrees.
Arguments and Return Values Input is ephemeris time, output is Ls in the same format as the input.
Usage Syntax: lsubs(ephemeris_time) Input can be an array.
Examples dv>b = lsubs(235467545.3) 259.935 |
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Recent Library Changes Created On: 12-31-2007 |
