Re: [Orekit Users] HEE or GSE Frames?

[MAISONOBE Luc <luc.maisonobe@c-s.fr>]

Hi Evan,

Evan Ward <evan.ward@nrl.navy.mil> a écrit :

> On 03/27/2013 05:26 AM, MAISONOBE Luc wrote:
> > By the way, could someone confirm me that GCRF and ICRF should be
> > aligned? If so, I'll fix our ICRF.
>
> From Vallado et al. in 2006: [1]
>
> "Geocentric Celestial Reference Frame (GCRF): The geocentric frame whose
> orientation is aligned with the Barycentric ICRF."
>
> [1] http://www.centerforspace.com/downloads/files/pubs/AAS-06-134.pdf

Thanks for the reference. I have also found USNO circular 179 from  
George Kaplan quite useful on this topic (see  
<http://aa.usno.navy.mil/publications/docs/Circular_179.php>, mainly  
section 1.2).

I have fixed the issue and in fact it allowed me to discover several  
closely related issues at the same time. I'll record the issues to the  
forge and I'll commit the fix in the next few minutes.

best regards,
Luc

> > hope this helps,
> > Luc
>
> Regards,
> Evan



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