[LEAPSECS] Mean ... Orbits

Mark Calabretta mcalabre at atnf.csiro.au
Thu Feb 3 09:16:55 EST 2011

On Thu 2011/02/03 11:05:01 -0000, Tony Finch wrote
in a message to: Leap Second Discussion List <leapsecs at leapsecond.com>

>In order to see the analemma you need to know the equation of time.

You only need a clock and knowledge of the length of a mean solar
day. The analemma itself shows you the equation of time (and the
obliquity of the ecliptic).

http://apod.nasa.gov/apod/ap061230.html (Mars)
http://apod.nasa.gov/apod/ap050713.html (Moon)

Check out the last two particularly.

Mark Calabretta

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