[PROJ] Non-Earth Based Coordinate Transforms

[Javier Jimenez Shaw]

As far as I know, that is not supported. But I'm happy to be wrong.

If I understand what you mean, there is a hight dependency on time, as the
earth moves around the sun, right?

On Wed, 29 Jan 2025, 20:31 Daniel Garcia-Briseno via PROJ, <
proj at lists.osgeo.org> wrote:

>
> Hi Everyone,
>
> I'm a software developer on a NASA contract, I'm working on a web based
> platform that pulls data from various providers in different coordinate
> systems, but not all my coordinates are earth based. I recently discovered
> proj4js which led me to you.
>
> Throughout your documentation there's a lot of "geo", but my data is a mix
> of "geo" and "helio" where my coordinates are relative to the sun, not the
> earth. Is there a way I could use proj to transform between earth-relative
> and sun-relative coordinates? I need to convert between a geocentric system
> and heliocentric system.
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