Posts: 208
From:
Registered: Apr 2011

posted May 03, 2011 03:40 AM            

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I've searched for this, but wasn't really successful finding in what I require.

What I am looking for is the possibility to say "ok, we have planet x and y at position z, now let's see when this has last happened" without having to dig through a gazillion of tables.

Anyone knows some calculator like that?

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Posts: 355
From:
Registered: Sep 2010

posted May 03, 2011 04:11 AM            

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it was the last time pluto was in libra before the 1970's so roughly 250 years ago. Ceres has an orbit period of about 4 and a half years so she will conjunct pluto in every sign at some point.

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Posts: 2746
From: Chennai, India
Registered: Apr 2009

posted May 03, 2011 04:12 AM            

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Pluto completes a cycle every 248 years.
Ceres completes a cycle every 4.5 years.

So for a repeat of Pluto conjunct CERES on any exact specific degree will take approximately 248 x 4.5 years or around 1100 years.

I could be wrong.

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Posts: 208
From:
Registered: Apr 2011

posted May 03, 2011 04:31 AM            

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Yesterday I've checked the emphemeris tables but I didn't find what I was looking for.

But I got bored to do it like this so I hoped someone had made a nifty calculator like this.

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Posts: 355
From:
Registered: Sep 2010

posted May 03, 2011 04:40 AM            

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some astro software offers that kind of thing but usually only offer it on the main planets so you're probably stuck doing it the hard way.

I can understand of wanting to know when pluto and ceres are conjunct but the exact degree? Seems a bit ocd to me because it'll be the same for each and every conjunction at a particular degree.

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Posts: 208
From:
Registered: Apr 2011

posted May 03, 2011 05:53 AM            

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Another problem is that a lot stop at the year 0 or don't go past the gregorian calendar.

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