The cometary activity of 2009 KF37 was observed in 2009 May to July at Palomar Transient Factory survey (Main-belt comets in the Palomar Transient Factory survey . I. The search for extendedness).
Discovered Appeared Not observed Appeared before discovery Not observed before discovery Returns in the future
2026 Jan. 17 2009 KF372017 Sept. 26 2009 KF372009 Aug. 9 2009 KF372001 Oct. 7