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(415029) 2011 UL 21, provisional designation 2011 UL 21, is an Apollo class potentially hazardous asteroid discovered on October 17, 2011, by the Catalina Sky Survey project. [1] The asteroid is estimated to have a diameter of 2.5 kilometres (1.6 mi).
Trajectory of 2004 FH in the Earth–Moon system Goldstone radar images of asteroid 2007 PA 8 's Earth flyby in 2012. This is a list of examples where an asteroid or meteoroid travels close to the Earth. Some are regarded as potentially hazardous objects if they are estimated to be large enough to cause regional devastation.
Radar animation of 2017 BQ 6 during closest approach on 7 February 2017 Radar animation of 2014 JO 25 during closest approach on 19 April 2017. An example list of near-Earth asteroids that passed or will pass more than 1 lunar distance (384,400 km or 0.00256 AU) from Earth in 2017.
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21 Lutetia is a large M-type asteroid in the main asteroid belt. It measures about 100 kilometers in diameter (120 km along its major axis). It was discovered in 1852 by Hermann Goldschmidt , and is named after Lutetia , the Latin name of Paris .
Asteroid designation 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 ...
Weather. 24/7 Help. ... This particular asteroid is 2003 EH1, which takes 5.52 years to complete one orbit around the sun and measures 2 miles (3.2 kilometers) across. ... Lyrids: April 21-22. Eta ...
For example, the asteroid 4179 Toutatis was imaged in 1992, 1996, 2000, 2004, 2008, and 2012. Although spacecraft such as Dawn can image particular asteroids in much finer detail, radar astronomy can investigate many more asteroids of different characteristics. For example, all existing images of binary asteroids were obtained through radar ...