Description of L2 in STC

[Hervé Wozniak]

Hi all,

L2 point is 1,500,000 km not 150,000... just a factor 10 father ;-)

And this is only a rough estimate since a satellite moves along an orbit 
around this point (a Lissajous for Herschel, another kind for JWST :
http://www.stsci.edu/jwst/overview/design/orbit.html )


Cheers,
Hervé


Le 16/04/2011 01:05, Roy Williams écrivait :

> Arnold and DM group
> Can you advise on Wil's question, that has come up on the VOEvent RFC page?
> Thank you
> Roy
>
> -------- Original Message --------
> Subject: Re: Can you help with VOEvent2?
> Date: Thu, 14 Apr 2011 11:49:04 +0200
> From: William O'Mullane <womullan at sciops.esa.int>
> To: Roy Williams <roy.williams at ligo.org>
> CC: Nicholas A Walton <naw at ast.cam.ac.uk>, Lukasz Wyrzykowski
> <wyrzykow at ast.cam.ac.uk>, "R.Burgon" <r.burgon at open.ac.uk>
>
> in 3.4.2 ObservatoryLocation
> You should add "L2 = within 150000 KM of Earth Sun Lagrange Point 2" or
> something there are enough missions going out there even if you suggest
> space missions can construct their own complex location later.
>

-- 
Herve WOZNIAK

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