30P/Reinmuth

Comet 30P/Reinmuth, also known as Comet Reinmuth 1, is a periodic comet in the Solar System, first discovered by Karl Reinmuth (Landessternwarte Heidelberg-Königstuhl, Germany) on February 22, 1928.

30P/Reinmuth
Discovery
Discovered byKarl Reinmuth
Discovery dateFebruary 22, 1928
Alternative
designations		1928 D1, 1934 V1
Orbital characteristics A
EpochJuly 1, 2009 (2455013.5)
Aphelion5.664 AU
Perihelion1.884 AU
Semi-major axis3.774 AU
Eccentricity0.5008
Orbital period7.33 yr
Inclination8.13°
Jupiter MOID0.159 AU (23,800,000 km)[1]
Last perihelion2017-Aug-19
April 19, 2010[2][3]
December 24, 2002[2][3]
Next perihelion2024-Aug-17[4]

First calculations of orbit concluded a period of 25 years, but this was revised down to seven years and speculation this was the same comet as Comet Taylor, which had been lost since 1915. Further calculations by George van Biesbroeck concluded they were different comets.

The 1935 approach was observed though not as favourable, in 1937 the comet passed close to Jupiter which increased the perihelion distance and orbital period.

Due to miscalculations, the 1942 appearance was missed, but it has been observed on every subsequent appearance since.

The comet nucleus is estimated to be 7.8 kilometers in diameter.[1]

References
  1. "JPL Small-Body Database Browser: 30P/Reinmuth 1". Jet Propulsion Laboratory. 2010-01-04. Retrieved 2010-02-26.
  2. Seiichi Yoshida (2009-09-30). "30P/Reinmuth 1". Seiichi Yoshida's Comet Catalog. Retrieved 2010-03-01.
  3. Syuichi Nakano (2003-12-08). "30P/Reinmuth 1 (NK 1011)". OAA Computing and Minor Planet Sections. Retrieved 2010-03-01.
  4. MPC
Numbered comets
Previous
29P/Schwassmann–Wachmann 		30P/Reinmuth Next
31P/Schwassmann–Wachmann


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