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- (433953)_1997_XR2 abstract "(433953) 1997 XR2 (also written 1997 XR2) is an asteroid discovered on December 4, 1997. It has a diameter of 0.1-0.3 km and an estimated mass on the order of 1010 kilograms.From early 2002 to February 24, 2006, 1997 XR2 was considered to have about a 1 in 10,000 chance of colliding with Earth on June 1, 2101, based on a 27-day observation arc in December 1997.It was ranked at one on the Torino Scale of impact risk, and was the only near-Earth object to be ranked higher than zero (the scale is 0–10) until it was joined by 2004 VD17 at level one in November 2004, and then when 99942 Apophis (then known only by its provisional designation 2004 MN4) was temporarily assessed at level four in December 2004. 2004 VD17 and 99942 Apophis are now rated at level zero.On February 24, 2006, 1997 XR2 was observed by the Mt. Lemmon Survey after being lost for more than 8 years. The refinement of its orbit eliminated the possibility of impact in 2101. It is now known that on November 20, 2101, the asteroid will be 0.0392 AU (5,860,000 km; 3,640,000 mi) from Earth.".
- (433953)_1997_XR2 wikiPageExternalLink news.
- (433953)_1997_XR2 wikiPageID "574184".
- (433953)_1997_XR2 wikiPageLength "2810".
- (433953)_1997_XR2 wikiPageOutDegree "15".
- (433953)_1997_XR2 wikiPageRevisionID "708172041".
- (433953)_1997_XR2 wikiPageWikiLink 99942_Apophis.
- (433953)_1997_XR2 wikiPageWikiLink Asteroid.
- (433953)_1997_XR2 wikiPageWikiLink Astronomical_naming_conventions.
- (433953)_1997_XR2 wikiPageWikiLink Catalina_Sky_Survey.
- (433953)_1997_XR2 wikiPageWikiLink Category:Apollo_asteroids.
- (433953)_1997_XR2 wikiPageWikiLink Category:Astronomical_objects_discovered_in_1997.
- (433953)_1997_XR2 wikiPageWikiLink Category:Discoveries_by_LINEAR.
- (433953)_1997_XR2 wikiPageWikiLink Category:Numbered_asteroids.
- (433953)_1997_XR2 wikiPageWikiLink Category:Potentially_hazardous_asteroids.
- (433953)_1997_XR2 wikiPageWikiLink Category:Removed_from_Sentry_Risk_Table.
- (433953)_1997_XR2 wikiPageWikiLink Earth.
- (433953)_1997_XR2 wikiPageWikiLink Near-Earth_object.
- (433953)_1997_XR2 wikiPageWikiLink Orders_of_magnitude_(mass).
- (433953)_1997_XR2 wikiPageWikiLink Provisional_designation_in_astronomy.
- (433953)_1997_XR2 wikiPageWikiLink Torino_scale.
- (433953)_1997_XR2 wikiPageWikiLinkText "(433953) 1997 XR2".
- (433953)_1997_XR2 wikiPageWikiLinkText "433953".
- (433953)_1997_XR2 wikiPageUsesTemplate Template:Convert.
- (433953)_1997_XR2 wikiPageUsesTemplate Template:JPL_small_body.
- (433953)_1997_XR2 wikiPageUsesTemplate Template:Mp.
- (433953)_1997_XR2 wikiPageUsesTemplate Template:Mpl.
- (433953)_1997_XR2 wikiPageUsesTemplate Template:Reflist.
- (433953)_1997_XR2 wikiPageUsesTemplate Template:Small_Solar_System_bodies.
- (433953)_1997_XR2 subject Category:Apollo_asteroids.
- (433953)_1997_XR2 subject Category:Astronomical_objects_discovered_in_1997.
- (433953)_1997_XR2 subject Category:Discoveries_by_LINEAR.
- (433953)_1997_XR2 subject Category:Numbered_asteroids.
- (433953)_1997_XR2 subject Category:Potentially_hazardous_asteroids.
- (433953)_1997_XR2 subject Category:Removed_from_Sentry_Risk_Table.
- (433953)_1997_XR2 hypernym Asteroid.
- (433953)_1997_XR2 type Planet.
- (433953)_1997_XR2 type Object.
- (433953)_1997_XR2 comment "(433953) 1997 XR2 (also written 1997 XR2) is an asteroid discovered on December 4, 1997.".
- (433953)_1997_XR2 label "(433953) 1997 XR2".
- (433953)_1997_XR2 sameAs Q307089.
- (433953)_1997_XR2 sameAs 1997_XR2.
- (433953)_1997_XR2 sameAs (433953)_1997_XR2.
- (433953)_1997_XR2 sameAs (433953)_1997_XR2.
- (433953)_1997_XR2 sameAs 1997_XR2.
- (433953)_1997_XR2 sameAs m.02rj7n.
- (433953)_1997_XR2 sameAs Q307089.
- (433953)_1997_XR2 sameAs 1997_XR2.
- (433953)_1997_XR2 wasDerivedFrom (433953)_1997_XR2?oldid=708172041.
- (433953)_1997_XR2 isPrimaryTopicOf (433953)_1997_XR2.