Some thoughts on Mining Asteroids vs the Moon

Forum: SSI-List
Thread: Some thoughts on Mining Asteroids vs the Moon

# 21416 byCharles F. Radley on Dec. 30, 2006, 2:09 p.m.
Member since 2022-08-22

>
> > > I would forgo heavy gravitation wells also and I would go Sun-
wards
> > > because of the ample energy supply available according to the
inverse
> >
> > Frank, the Sun has a gravity well much deeper than the Moon.
>
> Yes, but I would not try landing on the Sun as you would do on the
Moon
> (and having to take off again).
> Landing and taking off again would happen on an asteroid which is
in an
> orbit
> around Sun. This orbit of the asteroid has to be matched.

Matching the orbit of an asteroid at 0.5 AU (circular) orbit around
the Sun takes considerably more delta-vee than landing and taking off
from the Moon.