(143649) 2003 QQ47


Earth::asteroid    Title::impact    August::which    Sentry::impact    Removed::torino    Wayback::march

{{#invoke:Infobox|infobox}} (143649) 2003 QQ47 (also written 2003 QQ47) is an asteroid which became briefly notable upon its discovery in late August 2003 when media outlets played up a very preliminary report that it had a 1 in 250,000 chance of impacting into Earth on March 21, 2014.<ref name="QQ47"/>

2003 QQ47 was discovered on 24 August 2003.<ref name="MPEC2003-Q46"/> 2003 QQ47 was added to the Sentry Risk Table on 30 August 2003.<ref name="QQ47"/> By 31 August 2003 (with an observation arc of 7 days) the odds of an impact on 21 March 2014 were already reduced to 1 in 1.7 million.<ref name=Wayback2003-09/> 2003 QQ47 was removed from the Sentry Risk Table on 14 September 2003 so there is no risk of an impact by it in the next 100 years.<ref name="removed"/>

It is known that 2003 QQ47 will safely pass {{safesubst:#invoke:convert|convert}} from Earth on March 26, 2014.<ref name=jpl-close/><ref name="NEODyS"/> With an observation arc of 10 years and an orbital uncertainty of 0, its orbit and future close approaches are well determined.<ref name=jpl-close/>

(143649) 2003 QQ47 sections
Intro   Preliminary reports    In Fiction    References   External links  

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