Comets - 242P/Spahr - 0242P
Type Periodic Perihelion Date 9 January 2025 Perihelion Distance (q) 4.0 Aphelion Distance (Q) 7.0 Period (Years)   12.8 Eccentricity (e)   0.28 Inclination (i)   32.5 Click for NASA orbit diagram
Hills Observatory: 1 January 2013 to 15 September 2019
COMETS COMETS
DEEP SKY DEEP SKY
242P/Spahr = 1998 U4 = 2010 P3 The comet was discovered by Timothy B Spahr of the University of Arizona on 27 October 1998 on CCD images taken with the Catalina Sky Survey 0.41-m f3 Schmidt. It was 17th magnitude and was confirmed by Spacewatch Telescope images. Gary Hug recovered comet 1998 U4 (P/Spahr) on 14 August 2010 on images taken with a 0.56-m reflector located near Scranton, KS, U.S.A. The indicated correction to the prediction by B. G. Marsden on MPC 65938 is Delta(T) = +0.04 day. Date 10x10 mag Error Kphot mag Coma ' 29 Jan 13 17.44 0.08 17.0 0.3 4 Jan 14 19.32 0.16 19.1 0.2 24 Jan 14 19.15 0.20 18.8 0.2 3 Feb 14 19.09 0.16 18.7 0.2
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