<p>You might find <a href="https://in-the-sky.org/graphs.php?gtype=2&amp;duration=8&amp;obj1type=0&amp;obj1txt=Jupiter" rel="nofollow noreferrer">in-the-sky.org's <em>Custom astronomical graph plotter</em> by Dominic Ford</a> helpful. For instance, for Jupiter, a start date of today, you can obtain the declination graph of the next 10 years for a given location (which you can change as well):</p>
<p><a href="https://i.sstatic.net/XWaZL.png" rel="nofollow noreferrer"><img src="https://i.sstatic.net/XWaZL.png" alt="Custom astronomical graph plotter" /></a></p>
<p>This does not solve your problem that you want to determine the longitude of maximal declination, but still.</p>

CC BY-SA 4.0
2021-04-14T09:20:23.023Z
2021-04-14T09:20:23.023Z
B--rian
<p>I am looking for data showing the longitude at which the various planets  in the solar system reach their winter solstice.  Where could I find this data?</p>

CC BY-SA 4.0
2021-04-14T08:40:38.627Z
Welcome to astronomy SE! I adjusted your tags and the wording slightly.
B--rian
CC BY-SA 4.0
2021-04-14T08:56:37.353Z
Thanks @B--rian ! Do you have any tips about finding that data?
magnolia1
CC BY-SA 4.0
2021-04-14T17:15:21.543Z
Do you mean the declination of the Sun as seen from those planets, or of those planets as seen from Earth?
Mike G
CC BY-SA 4.0
2021-04-14T17:43:09.347Z
@MikeG fair point I mean the first one of those. Any idea where I might find the data? many thanks
magnolia1
<orbit><planet><coordinate><celestial-mechanics><declination>
What is the longitude of the winter solstice for the various planets?
magnolia1
# What is the longitude of the winter solstice for the various planets?

(Asked by: username_0 on 2021-04-14)

I am looking for data showing the longitude at which the various planets in the solar system reach their winter solstice. Where could I find this data?

**Tags:** orbit, planet, coordinate, celestial-mechanics, declination
> **Comments:**
> **username_1**: Welcome to astronomy SE! I adjusted your tags and the wording slightly.  
> **username_0**: Thanks @B--rian ! Do you have any tips about finding that data?  
> **username_2**: Do you mean the declination of the Sun as seen from those planets, or of those planets as seen from Earth?  
> **username_0**: @MikeG fair point I mean the first one of those. Any idea where I might find the data? many thanks  

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## 1 answers

### Answer by username_1 on 2021-04-14. Score: 1

You might find [in-the-sky.org's *Custom astronomical graph plotter* by Dominic Ford](https://in-the-sky.org/graphs.php?gtype=2&duration=8&obj1type=0&obj1txt=Jupiter) helpful. For instance, for Jupiter, a start date of today, you can obtain the declination graph of the next 10 years for a given location (which you can change as well):

[![Custom astronomical graph plotter](https://i.sstatic.net/XWaZL.png)](https://i.sstatic.net/XWaZL.png)

This does not solve your problem that you want to determine the longitude of maximal declination, but still.


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