big moving job

--- In spacesettlers@y..., Ian Woollard wrote:
> Ed Minchau wrote:
>
> > How much energy would it take to move Ceres from its present
orbit to
> > L5?
>
> Anywhere from none to practically infinite, depending on how you
> go about doing it.
>
> - None if you use a lightsail (we are talking about a lightsail of
> almost galactic proportions- exageration)
>
> - almost infinite if you try to use a very high velocity rocket
> engine (most of the energy ends up in the exhaust in that
> case)

Alright, let me rephrase the question: can anybody tell me Ceres'
mass, mean orbital radius, eccentricity, and so on? I am looking at
doing some calculations on this problem and an earlier question about
the deltaV from L2 to L5.

:) ed