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Re: Two Mercury Lunars
From: Paul Hirose
Date: 2025 Dec 31, 12:45 -0800
From: Paul Hirose
Date: 2025 Dec 31, 12:45 -0800
"Paul, your Lunar 4 program corrects the altitude for Oblateness of the Earth ?"
Yes, the topocenter is computed with the GRS80 ellipsoid. The program's output displays this as a unit vector and its magnitude. For example, at Kermit's actual position on the 15th (+46°41.20' -2°19.90'), it says
0.687854 -0.028008 0.725309 ITRS unit vector
6.36687e+003 km vector magnitude
--
Paul Hirose
sofajpl.com
