[meteorite-list] Meteor Crater Impactor?

From: Meteorites USA <eric_at_meteoritecentral.com>
Date: Fri, 10 Sep 2010 03:05:24 -0700
Message-ID: <4C8A02E4.4000005_at_meteoritesusa.com>

Hi Bernd, Thanks!

What would a "relatively low" impact angle be? 10 degrees, 20 degrees?

See my post just before this one.

Eric



On 9/10/2010 2:51 AM, bernd.pauli at paulinet.de wrote:
> Eric wondered:
>
> "Can someone tell me the proposed/accepted angle of descent
> of the asteroid which formed Meteor Crater in AZ?"
>
> The trajectory of the impacting body was interpreted by Shoemaker
> as traveling north-northwest at a relatively low impact angle.
>
> and furthermore:
>
> "Wikipedia has the impactor at 50 meters across,
> and velocity at 12.8 km/s. Is this accurate?"
>
> The authors write themeteorite had a velocity in the range of about 13 to 20 km/s,
> probably in the lower part of this range and estimated the coherent meteorite diameter
> to have been 45-50 m with a mass of 300,000 - 400,000 tons!
>
> Reference:
>
> D.J. Roddy, E.M. Shoemaker (1995) Meteor Crater: Summary
> of impact conditions (Meteoritics 30-5, 1995, p. 567).
>
> -----------------------------------------------------------------------------
>
> Best wishes,
>
> Bernd
>
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Received on Fri 10 Sep 2010 06:05:24 AM PDT