[time-nuts] Determination of the placement of the first pps

J. L. Trantham jltran at att.net
Tue Jan 24 06:49:07 EST 2012


As I was re-reading the postings, I noted additional information in an
earlier post that pretty much answered the question though the term
'barycenter' is new to me.


-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
Behalf Of Jim Lux
Sent: Tuesday, January 24, 2012 12:06 AM
To: time-nuts at febo.com
Subject: Re: [time-nuts] Determination of the placement of the first pps

On 1/23/12 5:50 PM, J. L. Trantham wrote:
> Is this, in any way, related to the fact the Earth has a Moon?
> Ideally, the Earth rotates around the Sun and the Moon rotates around 
> the Earth.  However, is it better described as the 'center of mass' of 
> the Earth/Moon

barycenter is the term

  rotates around the Sun?  Not to mention all those other
> confounding variables such as other planets and moons?

Well, yes.. there are fairly sophisticated numerical integration 
programs that figure all this stuff out, if you're interested.


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