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Almahata Sitta   contributed by Vincent Haberer, IMCA 6960   MetBul Link

Roll Overs:     #1   #2   #3   #4   #5   #6   #7   #8    

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View all entries for   Meteorite (22)   Vincent Haberer (4)

Photos by Vincent Haberer.   Copyright (c) Vincent Haberer.
10.23 grams. 27 x 21 x 15 mm.   Ureilite-an

TKW 3.95 kg.

Pre-Earth-encounter size estimated to be 4.1 meters in diameter and 80,000 kilograms.
Observed approach: 6 October 2008

Observed fall: 7 October 2008

First found: 6 December 2008, Nahr an Nil, Nubian Desert, Sudan.

Many stones from this fall have been classified, with a wide variety of results - Ureilite, polymict, anomalous; bencubbin; EH 4/5; and EL 3.

From the MetBul:
On October 6, 2008, a small asteroid called 2008 TC3 was discovered by the automated Catalina Sky Survey 1.5 m telescope at Mount Lemmon, Tucson, Arizona, and found to be on a collision course with Earth. Numerous astronomical observatories followed the object until it entered the Earth’s umbra at Oct. 7.076 UTC the next day. The astrometric position of 295 observations of 2008 TC3 over the period Oct. 6.278 to Oct. 7.063 was used to calculate the approach trajectory over the impact location in northern Sudan. The object exploded at a high ~37 km altitude over the Nubian Desert, and as a result the meteorites are spread over a large area. A search was organized by the University of Khartoum on Dec. 2–9, led by P. Jenniskens (SETI Institute) and M. H. Shaddad (Khartoum).


Vincent writes:
Like many of you, on October 7th, 2008, we enthusiastically followed the reports about 2008 TC3 on the media.

As generally known, 2008 TC3 is the first asteroid detected in outer space for which the collision with Earth correctly had been predicted.

Around 19 hours after its detection by the astronomer Richard Kowalski, under the observation of passionate astronomers from all around the world, the asteroid which had a weight of approx. 83 tons when entering the atmosphere impacted in the North of Sudan, in the Nubian Desert. Subsequently, three extensive meteorite search expeditions led by Dr. Peter Jenniskens took place in which up to 100 people were involved. Altogether 47 specimens with a total weight of 3.95kg were found.

We were very excited when we saw the first photos of the meteorites which got their name Almahata Sitta (Arabic for railway station 6) from the nearby railway station where the first specimens had been found.

On a private expedition, our team found several Almatata Sitta meteorites too. One of the rarest meteorites from the Almahata Sitta strewnfield is a Trachyandesite. The individual, which we found, has a weight of 10.23 g and a beautiful greenish glassy fusion crust, as you can see from the pictures above. It was examined by Prof. Dr. Addi Bischoff of the Planetological Institute of the Westphalian Wilhelms University in Münster, Germany, in 2019. Currently NASA is also investigating a part of this individual.They hope for further spectacular results in this unique Meteorite fall of asteroid 2008TC3

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Found at the arrow (green or red) on the map below


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This Month

2 pictures in the Queue
Vincent Haberer
 7/30/2020 11:01:34 AM
Thank you all for the kind respond to this beautiful Meteorite, its every time nice to share pictures with you!
 7/29/2020 5:39:25 PM
Would be great so see in situ pics of the beauty.
Twink Monrad
 7/29/2020 5:28:02 PM
Truly beautiful and interesting, wish I had seen it in person!
Anne Black
 7/29/2020 3:15:27 PM
Thank you Vincent. Yes, I remember that very pretty one. And Almahata Sitta is not done surprising everyone!
Jim Strope
 7/29/2020 12:09:23 PM
Spectacular piece.
John Divelbiss
 7/29/2020 10:21:50 AM
awesome "strange" material...love the 1st pic...the crust reminds of some of the nicer Sari*i*ek individuals
Kally Wombacher
 7/29/2020 8:28:51 AM
What a crust! Very unique and rare piece.
Andi Koppelt
 7/29/2020 8:13:54 AM
What a nice and rare cosmic jewel!
 7/29/2020 6:36:52 AM
Dressed in an ultrathin layer of transparent silk-paper - how beautiful and strange.
Graham Ensor
 7/29/2020 4:27:40 AM
What an unusual and beautiful meteorite Vincent. That transparent crust is so like some crusts on fresher Lunars. Never seen it on anything else. Just wonderful. I await the results of further anaysis with great interest. Almahata Sitta is a truly extraordinary meteorite fall.
Bernd Pauli
 7/29/2020 3:29:21 AM
Thank you, Vincent, for sharing the photos of this extraordinary meteorite!
Andreas Ruh
 7/29/2020 12:07:36 AM
Very nice piece. Thank you for sharing the photos.

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