Practical Ephemeris Calculations

图书介绍

"Oliver Montenbruck is a great author. But that's not the main reason I bought this book.
I am really interested in planetary astronomy. And I do care very much about the motion of minor bodies orbiting the Sun. And sure, I care about the positions of the planets as well. This book is indeed useful for that. And, yes, you can put the equations on your computer or calculator or PDA. And there's an appendix that gives mean orbital elements for Mercury, Venus, Earth, and Mars as well as osculating orbital elements for Jupiter, Saturn, Uranus, Neptune, and Pluto for the years 1941 through 2049. That's useful too! But I confess, the real reason I got this book, and the real use I put it to is simple. I can get really confused about how to go between geocentric ecliptic, geocentric equatorial, heliocentric, horizontal, and topocentric coordinates. And this book tells me how to transform my way into the one I want. It also explains the different definitions of time: TAI, ET, TDT, TDB, UT, UTC, AST, MST, GMST, LMST, GAST, LAST, and Julian Date." - customer's review.

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