Monthly Archives: April 2012

Discovery of cometary nature of 2011 FR143

2011 FR143 was discovered by the Mt.Lemmon Sky Survey (part of the Catalina Sky Survey) on 2011 Mar. 29 and followed until Apr. 26. Its orbit was quite unusual (a=6.83 AU, e= 0.45 and a period of 17.9 yrs) and … Continue reading

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