[meteorite-list] Russia mega meteor and asteroid 2012DA14 related, yes I think so...

[Mike Hankey]

good article that shows graphically why/how these are not related.

http://www.wired.com/geekmom/2013/02/asteroids-and-meteors-same-day/

On Sat, Feb 16, 2013 at 10:11 AM, Chris Peterson <clp at alumni.caltech.edu> wrote:
> I'm talking about two different trajectories. Different inclinations,
> different semimajor axes, (very) different eccentricities, (very) different
> geocentric velocities. There is no plausible mechanism for ending up with
> two pieces of the same body in such radically different orbits- it would
> require first separating them, and then subjecting each to a different
> history of three-body interactions.
>
> If the "foremost" celestial mechanics expert in your country says the two
> are similar, he is not competent. I don't notice him speaking out.
>
>
> Chris
>
> *******************************
> Chris L Peterson
> Cloudbait Observatory
> http://www.cloudbait.com
>
>
> On 2/15/2013 11:35 PM, Bjorn Sorheim wrote:
>>
>>
>> Two completely different trajectories??
>> What the heck are you talking about?
>> They are quite similar. It would not at this point say they are identical.
>> In WHAT way are they _completely different_, elaborate please.
>> And don't be so d** arrogant, for christ sake.
>> I could mention that the foremost celest mechanican in my country says
>> they
>> are strangly similar, and he has been working for NASA and the Voyagers,
>> and he has
>> an asteroid named after him.
>>
>> Bjørn Sørheim
>
>
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