astro.wikisort.org - Comet

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.

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]

References

External links

• D/1960 S1 orbit bu Kazuo Kinoshita
• MPEC 2012-U98 : P/1960 S1 = 2012 TB36 (van Houten-Lemmon)

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