[ExI] new job

[Adrian Tymes]

On Fri, Dec 20, 2024 at 12:56 AM Stuart LaForge via extropy-chat <
extropy-chat at lists.extropy.org> wrote:

> Have you accounted for the Oberth effect? On April 13, 2029, it will be
> only 13,600 km from Earth and travelling very fast. Any impulse that we
> can give it on that day would have the greatest effect on its kinetic
> energy.


The plan involves taking years to build up, from a seed planted during
close approach, and then take a year or more to give more
collective impulse than a single slingshot could.  In 2029 there wouldn't
yet be anything to give significant impulse with.


> The problem with solar sail is that Apophis tumbles and flips around its
> three axes of rotation. How can you attach a sail to the asteroid
> without it getting tangled and twisted?
>

Maybe make a gyroscope or three out of further Apophis materials to despin
Apophis?
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