[meteorite-list] Farmington

From: webbth_at_appstate.edu <webbth_at_meteoritecentral.com>
Date: Thu Apr 22 09:48:14 2004
Message-ID: <Pine.PMDF.4.21L.0110292026420.570071075-100000_at_appstate.edu>

Correction please: Farmington:Fell June 25, 1890.
Thomas



On Sun, 28 Oct 2001, Rhett Bourland wrote:

> Wow, how is it that even when you get one question answered you come up with
> two new ones? Anyways, here you go. See if you can answer these. Please
> remember though that I am not a professional researcher so some of this may
> sound kind of out there.
> I've heard before that Farmington was probally part of a meteoroid stream
> (which was the main reason I purchased a slice of it for my collection) that
> was observed to have impacted the moon. The fall date of this meteorite was
> June 28, 1890. If I'm not mistaken this would make it part of the Taurid
> stream. I've also heard that its suspected that the impactor that caused
> the Tunguska event could have been part of the Taurid meteroid stream as
> well as its fall date was June 30, 1908. Some of the more recent research
> of the Tunguska event has suggested that it was caused by a stony body. Now
> that I've got that out of the ways, my questions are is it possible that my
> assumptions are correct and that Farmington and Tunguska are from the same
> source? It would seem a good way to help prove or disprove would be to
> check and see what other meteorites have fallen in the same time period to
> see if there are any other L5's out there. Another question would be if
> Tunguska really was part of this stream then wouldn't a good place to look
> for potentially hazardous impactors be in the orbits of known meteoroid
> streams (especially the Taurids)?
> Comments anyone?
> Thanks,
> Rhett Bourland
> www.asteroidmodels.com
> www.asteroidmodels.com/personal
>
> -----Original Message-----
> From: meteorite-list-admin_at_meteoritecentral.com
> [mailto:meteorite-list-admin_at_meteoritecentral.com]On Behalf Of Bernd
> Pauli HD
> Sent: Sunday, October 28, 2001 3:36 AM
> To: Martin Horejsi
> Cc: meteorite-list_at_meteoritecentral.com
> Subject: [meteorite-list] Farmington
>
>
> Rhett kindly asked:
>
> > "Would Farmington be on the list of
> > meteorites with calculated orbits as well?"
>
> Martin responded:
>
> > It is interesting that you mention Farmington. May I ask where you got
> > its name as a possible candidate? That might help jog my memory.
>
> Hello All!
>
> Here is something that may prove helpful:
>
> OBERST J. (1989) Possible relationship between the Farmington meteorite
> and a seismically detected swarm of meteoroids impacting the Moon
> (Meteoritics 24-1, 1989, pp. 23-28, excerpt):
>
> Geocentric radiant of the Farmington meteorite / Geocentric radiants,
> all in degree
>
> Event - Encounter time - Right ascension - Declination - Ecliptic
> longitude - Reference
>
> Farmington - June 25, 1890 - 87 (88,88,89) / 2 (6, 8, 9) - 86
> (88,88,89) - Levin et al. (1976)
> Farmington - June 25, 1890 - 81 (83,84,84) /- 18 (-11,-8,-7) - 79
> (82,83,84) - Sekanina (1983)
>
> Oberst computed the geocentric radiants for a range of possible
> atmospheric entry speeds of 13 km/s and, in brackets, 16, 19, and 22
> km/s, suggested for the Farmington meteorite (Levin et al., 1976).
>
> Reference:
>
> LEVIN B.J. et al. (1976) Farmington meteorite: A fragment
> of an Apollo asteroid? (Icarus 28, 307-324).
>
>
> Best wishes,
>
> Bernd
>
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Received on Mon 29 Oct 2001 07:30:28 PM PST


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