On Thu, 1 Aug 2002, David Weinshenker wrote:
> for a "hybrid" reusable/expendable profile... if you're not doing
> a sample return, but just trying to radio back some high-resolution
> images of the item against the star field, then it might be reasonable
> to use a reusable suborbital booster with a single-use upper stage.
Better yet, a reusable *orbital* booster with a single-use upper stage.
(To quote Max Hunter: "I like staging, but I want to do it in orbit.")
> (What would typical mission delta-V from earth surface be for a
> flyby of a nearby asteroid?)
If you're talking about a flyby as the asteroid passes -- so the probe
just needs to be in the right near-Earth place at the right time -- then a
reasonable rule of thumb is to take an orbital delta-V and add 3km/s.
Henry Spencer
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