271P/van Houten–Lemmon

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271P/van Houten-Lemmon
Discovery
Discovered by C. J. van Houten and I. van Houten-Groeneveld
Discovery date 1966
Alternative
designations
1961 X
Orbital characteristics A
Epoch 2013-11-04
Aphelion 9.726 AU
Perihelion 4.2494 AU
Semi-major axis 6.9878 AU
Eccentricity 0.39187
Orbital period 18.47 yr
Inclination 6.8527°
Last perihelion 2013-Jul-05[1]
1995-Apr-28[1]
Next perihelion 2032-Mar-22[1]

271P/van Houten–Lemmon (previously P/1960 S1 and P/2012 TB36) is a short-period comet discovered in 1966 by Cornelis Johannes van Houten and Ingrid van Houten-Groeneveld on eight Palomar plates taken by Tom Gehrels between 24 September and 26 October 1960 as a hazy object of 17th magnitude. It was considered lost and designated D/1960 S1 until recovered by the Mount Lemmon Survey on 17 September 2012.

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