(332446) 2008 AF4

Near-Earth asteroid September 2020 yes (332446) 2008 AF 4 #FFC2E0 JPL Small-Body Database Browser: 2008 AF4 https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2008AF4 20 April 2016 LINEAR Lincoln Lab's ETS 10 January 2008 (332446) 2008 AF 4 NEOApolloPHA 4 September 2017 (JD 2458000.5) 0 13.78 yr (5,032 days) 1.9506 AU 0.8144 AU 1.3825 AU 0.4109 1.63 yr (594 days) 8.0690° 0.6063 ms / day 8.9193° 109.38° 293.39° 0.0025 AU1 LD 390 m 8.3 10 kg 19.7 (332446) 2008 AF 4 is a sub-kilometer asteroid, classified as near-Earth object and potentially hazardous asteroid of the Apollo group, which was listed on the Sentry Risk Table in January 2008 with a Torino Scale rating of 1. The asteroid showed a 1 in 71,000 chance of impact on 9 January 2089. It was briefly downgraded to Torino Scale 0 in February 2008, but still showed a cumulative 1 in 53,000 chance of an impact. In March it was back at Torino Scale 1 with a 1 in 28,000 chance of impact on 9 January 2089. By mid April 2008, it was back to Torino Scale 0. It was removed from the Sentry Risk Table on 19 December 2009.Date/Time Removed NASA/JPL Near-Earth Object Program Office http://neo.jpl.nasa.gov/risk/removed.html https://web.archive.org/web/20020602101400/http://neo.jpl.nasa.gov/risk/removed.html dead 2002-06-02 2011-11-06 2183 passage 2008 AF 4 may pass as close as 0.002 AU km mi on on from Earth on 12 January 2183. But the nominal solution shows the asteroid passing 0.009 AU km mi on off from Earth.last observation: 2013-03-19; arc: 10.8 years JPL Close-Approach Data: 332446 (2008 AF4) https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2008AF4;cad=1#cad 2013-09-07 References 2008-01-15 WayBack Machine archive from 1 January 2008 Wayback Machine http://neo.jpl.nasa.gov/risk/2008af4.html https://web.archive.org/web/20080115090715/http://neo.jpl.nasa.gov/risk/2008af4.html 15 January 2008 2013-09-07 dead 2008-02-14 WayBack Machine archive from 14 February 2008 Wayback Machine http://neo.jpl.nasa.gov/risk/2008af4.html https://web.archive.org/web/20080214223026/http://neo.jpl.nasa.gov/risk/2008af4.html 14 February 2008 2013-09-07 dead 2008-03-16 WayBack Machine archive from 16 March 2008 Wayback Machine http://neo.jpl.nasa.gov/risk/2008af4.html https://web.archive.org/web/20080316234803/http://neo.jpl.nasa.gov/risk/2008af4.html 16 March 2008 2013-09-07 dead External links 332446 332446 2008AF4 332446 332446 (332446) 2008 AF 4 332446 332446 332446 332446 20080110