Re: [FT] Jump Limits

Oerjan Ohlson wrote:

> ----------
> > Från: Donald Hosford <hosford.donald@acd.net>
> > Till: gzg-l@CSUA.Berkeley.EDU
> > Ämne: Re: SV: [FT] Jump Limits
> > Datum:  den 11 september 1999 06:47
> >
> > Oerjan Ohlson wrote:
> >
> > >
> > > ~115 000 000 km (0.77 AU, just outside the orbit of Venus)
> (assuming I
> > > got the figures right :-/ )
> > >
> > > > The Earth?
> > >
> > > ~ 200 000 km (slightly beyond half-way to the moon)
> > >
> > > > Jupiter?
> > >
> > > ~ 3 600 000 km
> >
> > Do you have the "grav-limits" for the other planets in our system?
>
> The distance where the gravitic acceleration caused by a body  is a,
is
> calculated by
>
> d = sqrt(M*G/a), where
> d is the distance (meters)
> M the mass of the body creating the gravitic field (kg)
> G is the gravitic constant (6.67*10^-11 Nm^2/kg^2)
> a is the acceleration (m/s^2)
>
> Insert the mass of the system body and the gravitic acceleration
you've
> set as your limit.
>
> But of course I did screw the calculations up, since I forgot to
> convert 0.01g to m/s^2. The real values for the 0.01g limit are only
> about one-third of what I wrote, ie:
>
> Sun: ~36 800 000 km
> Earth: ~63 700 km
> Jupiter: ~1 140 000 km
>
> Regards,
>
> Oerjan Ohlson
> oerjan.ohlson@telia.com
>
> "Life is like a sewer.
>   What you get out of it, depends on what you put into it."
> - Hen3ry

Thanks!

Donald Hosford