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An animation of 2008 TC3's excited rotation prior to entering the atmosphere. The asteroid was discovered by Richard A. Kowalski at the Catalina Sky Survey (CSS) 1.5-meter telescope at Mount Lemmon, north of Tucson, Arizona, US, on October 6, 06:39 UTC, 19 hours before the impact.
An example list of near-Earth asteroids that passed more than 1 lunar distance (384,400 km or 0.00256 AU) from Earth in 2008. 2007 TU 24 (~250 meters in diameter) passed 1.44 LD (554,000 km) from Earth on January 29, 2008. 2008 CE 22 (~18 meters in diameter) passed between 0.9997 and 1.0023 LD (384,300 to 385,300 km) from Earth on February 6, 2008.
Date of impact Location of impact Method of detection Estimated size Reference 2008 TC 3: October 7, 2008: Nubian Desert in Sudan: visual, weather satellite, meteorite recovery: 4 m (13 ft) [1] 2014 AA: January 2, 2014: Central Atlantic Ocean: infrasound: 2–4 m (6.6–13.1 ft) [2] 2018 LA: June 2, 2018: Botswana/South Africa border: visual ...
An impact event is a collision between ... gases shortly after the impact. On 7 October 2008, ... was identified prior to impacting earth after 2008 TC3.
On October 6, 2008, while observing with the CSS 1.5 meter (60") telescope at Mount Lemmon Observatory, he discovered 2008 TC 3. Approximately 20 hours after its discovery this asteroid entered the Earth's atmosphere over Sudan, becoming the first asteroid discovered before impact with the earth. [4] Kowalski was honored with a small piece of ...
The table from Earth Impact Effects Program ... 2008 TC3, the first asteroid detected before impacting Earth. Fragment has been named as Almahata Sitta meteorite. [71]
Notable for imaging the first meteor to be predicted to strike the Earth, 2008 TC3. [1] Launched 28 Aug 2002 by an Ariane V155 , this European Meteorology satellite is in a Geostationary orbit . While Meteosat 8 meteorological instruments are working, solid state power amplifier SSPA-C failed in October 2002.
5.4 2008. 5.5 2012. 5.6 2013. 5.7 2015. 5.8 2016. 5.9 2017. ... 2008 TC3 becomes the first Earth-impacting meteoroid spotted and tracked prior to impact. 2012