name=99942 Apophis
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June 19 , 2004
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Aten
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November 26 , 2005 ( JD 24537005)
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137992 G M (0922 AU )
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111633 Gm (0746 AU)
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164351 Gm (1099 AU)
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0191
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323587 D (089 A )
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3331 °
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204466°
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126364°
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111000°
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3073 km/ S
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~250 m (estimated)
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2 Kg (estimated)
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g/ Cm³
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d
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192
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http://wwwastronomycom/asy/defaultaspxc=a&id=3434
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Asteroid Apophis set for a makeoverauthor=Bill Cooke
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Astronomy Magazinedate= August 18 2005 urldate= November 3 2005
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http://naiarcnasagov/impact/news_detailcfmID=161title=Schweickart Proposes Study of Impact Risk from Apophis
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NASA Ames Research Centre
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