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  2. (308635) 2005 YU55 - Wikipedia

    en.wikipedia.org/wiki/(308635)_2005_YU55

    (308635) 2005 YU 55, provisionally named 2005 YU 55, is a potentially hazardous asteroid [2] 360 ± 40 meters in diameter, as measured after its Earth flyby. [8] Previously it was estimated to be 310 meters [ 5 ] or about 400 m (1,300 feet ) in diameter.

  3. Torino scale - Wikipedia

    en.wikipedia.org/wiki/Torino_scale

    (308635) 2005 YU 55 was rated level 1 in February 2010, [67] and downgraded to 0 on 9 April 2010. The chance of an actual collision with an asteroid like 2005 YU55 (~400 meters in diameter) is about 1 percent in the next thousand years. [68] 2009 (359369) 2009 YG was rated level 1 on 28 December 2009 (with an observation arc of 10 days). [69]

  4. Category:Near-Earth objects removed from the Sentry Risk ...

    en.wikipedia.org/wiki/Category:Near-Earth...

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more

  5. Category:Radar-imaged asteroids - Wikipedia

    en.wikipedia.org/wiki/Category:Radar-imaged...

    This page was last edited on 12 February 2016, at 21:56 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

  6. Goldstone Solar System Radar - Wikipedia

    en.wikipedia.org/wiki/Goldstone_Solar_System_Radar

    The Goldstone Solar System Radar (GSSR) is a large radar system used for investigating objects in the Solar System.Located in the desert near Barstow, California, it comprises a 500-kW X-band (8500 MHz) transmitter and a low-noise receiver on the 70-m DSS 14 antenna at the Goldstone Deep Space Communications Complex. [1]

  7. Category:Near-Earth objects in 2011 - Wikipedia

    en.wikipedia.org/wiki/Category:Near-Earth...

    (308635) 2005 YU55; 2011 XC2 This page was last edited on 5 October 2024, at 20:21 (UTC). Text is available under the Creative Commons Attribution ...

  8. Neil Gehrels Swift Observatory - Wikipedia

    en.wikipedia.org/wiki/Neil_Gehrels_Swift_Observatory

    On 9 November 2011, UVOT photographed the asteroid 2005 YU55 as the asteroid made a close flyby of the Earth. [13] On 3 June 2013, UVOT unveiled a massive ultraviolet survey of the nearby Magellanic Clouds. [14] In August 2017, UVOT imaged UV emissions from gravitational wave event GW170817 detected by LIGO & Virgo detectors. [15] [16]

  9. November 8 - Wikipedia

    en.wikipedia.org/wiki/November_8

    2011 – The potentially hazardous asteroid 2005 YU55 passes 0.85 lunar distances from Earth (about 324,600 kilometres or 201,700 miles), the closest known approach by an asteroid of its brightness since 2010 XC 15 in 1976.