Comets - 340P/Boattini - 0340P
Type Periodic Perihelion Date 18 November 2016 Perihelion Distance (q) 3.1 Aphelion Distance (Q) 5.4 Period (Years)   8.8 Eccentricity (e)   0.28 Inclination (i)   2.1 Click for NASA orbit diagram
Hills Observatory: 1 January 2013 to 14 August 2018
COMETS COMETS
DEEP SKY DEEP SKY
Andrea Boattini discovered an 18th magnitude comet with the Mt Lemmon 1.5-m reflector on 1 October 2008. Prediscovery Spacewatch images were found from 1 and 21 September. Brian Marsden noted that the comet made a close approach to Jupiter in April 2003, with a minimum distance 0.03 au. Further calculations by Hirohisa Sato and others show that it approached to 0.0185 au of Jupiter on 4 April 2003. Prior to the encounter the comet had perihelion at 6.2 au and a period of 22 years. A 20th magnitude comet was discovered in PanSTARRS 1 images taken with the 1.8m Ritchey- Chretien on 4 July 2016. R Weyrk of the PanSTARRS team suggested that it might be an accidental recovery of 2008 T1 and this was confirmed by Gareth Williams. Date 10x10 mag Error Kphot mag Coma ' 27-Sep-16 19.15 0.14 18.1 0.2 28-Oct-16 19.19 0.05 18.9 0.2 24-Nov-16 18.74 0.16 18.2 0.2
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