[meteorite-list] Lunar Meteorite Quiz - How big an object with velocity to get a new Lunar Meteorite to Earth?

From: drtanuki <drtanuki_at_meteoritecentral.com>
Date: Sun, 2 Mar 2014 13:45:17 -0800 (PST)
Message-ID: <1393796717.17428.YahooMailNeo_at_web141406.mail.bf1.yahoo.com>

List,
? For those that are interested in transit times and lunar impacts that result in Lunar Meteorites here on Earth, Dr. Randy Korotev has written a very good summary on this topic and his website answers the basic questions posed-
http://meteorites.wustl.edu/lunar/

Some of the questions answered are-
How Did Lunar Meteorites Get Here?
Do All Lunar Meteorites Come from One Big Impact on the Moon?
Does It Take a Big Impact to Launch
a Lunar Meteoroid?
and many more. ?Take a read of his website written for the Washington University in St. Louis. Thank you Dr. Korotev!

Dirk Ross...Tokyo?

P.S. The reason I posed the question in the first place was because of the recent announcement about a large lunar impact recorded on the Moon-
http://lunarmeteoritehunters.blogspot.jp/2014/02/biggest-observed-meteorite-impact-hits.html

It would be so cool if something was launched from this impact and it makes it here to the Earth in the coming years!


----- Forwarded Message -----
From: drtanuki <drtanuki at yahoo.com>
To: Ted Bunch <tbear1 at cableone.net>; meteorite-list <meteorite-list at meteoritecentral.com>
Cc:
Sent: Monday, March 3, 2014 3:47 AM
Subject: Re: [meteorite-list] Lunar Meteorite Quiz - How big an object with????velocity to get a new Lunar Meteorite to Earth?

Dear Dr. Bunch, ?Thank you for refining the question and clarification. Sorry I overlooked your address on the "to address list". ?Have a safe trip. ?Dirk Ross...Tokyo
________________________________
From: Ted Bunch <tbear1 at cableone.net>
To: drtanuki <drtanuki at yahoo.com>
Sent: Monday, March 3, 2014 3:41 AM
Subject: Re: [meteorite-list] Lunar Meteorite Quiz - How big an object with velocity to get a new Lunar Meteorite to Earth?


I have to go on a trip in a few minutes, but an additional consideration
to? mass, ejection V & angle, etc. is the consideration of orbital
mechanics of an ejected mass as to whether it is reaches a stable orbit,
one that ultimately decays into earth or one that may escape the
gravitational effects of the Earth-moon system.

Look up Lagrangian points,

Ted


On 3/2/14 3:50 AM, drtanuki wrote:
> Dear List,
>? ? A big thank you in advance! This should cover most of the experts in the field...
> Since there are many on this list with advanced degrees and also novices I pose this question.- How large of diameter, an impact object, with what velocity would it take to get a new Lunar Meteorite to Earth and what is the fastest or average transit time? Thanks to those that are entertained!? Invited are some of the world"s top experts for an answer or re-framing of the question. Indulge. Dirk Ross...Tokyo
>
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Received on Sun 02 Mar 2014 04:45:17 PM PST