41P/Tuttle–Giacobini–Kresák

Apr 26, 2026 - 14:11
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41P/Tuttle–Giacobini–Kresák

By January 2028, the comet should be around apparent magnitude 13.{{r|Van_Buitenen}} At the perihelion passage on 15 February 2028 the solar elongation will be 65 degrees at a magnitude of approximately 11,{{r|Van_Buitenen|Yoshida}} The comet should be observable with small telescopes.

← Previous revision Revision as of 08:39, 26 April 2026
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'''41P/Tuttle–Giacobini–Kresák''' is a [[List of numbered comets|Jupiter-family comet]] with a 5.43-year orbit around the [[Sun]]. Observations with the [[Hubble Space Telescope]] and dynamical modeling estimate an effective nucleus radius of {{cvt|440|–|560|m|ft}}, corresponding to a diameter of roughly {{cvt|0.88|–|1.12|km|mi}},{{r|Jewitt_2026}} smaller than earlier ground-based estimates.{{r|Lamy_2004}}
'''41P/Tuttle–Giacobini–Kresák''' is a [[List of numbered comets|Jupiter-family comet]] with a 5.43-year orbit around the [[Sun]]. Observations with the [[Hubble Space Telescope]] and dynamical modeling estimate an effective nucleus radius of {{cvt|440|–|560|m|ft}}, corresponding to a diameter of roughly {{cvt|0.88|–|1.12|km|mi}},{{r|Jewitt_2026}} smaller than earlier ground-based estimates.{{r|Lamy_2004}}

{{anchor|2028}}
By January 2028, the comet should be around [[apparent magnitude]] 13.{{r|Van_Buitenen}} At the [[perihelion]] passage on 15 February 2028 the [[solar elongation]] will be 65 degrees at a magnitude of approximately 11,{{r|Van_Buitenen|Yoshida}} The comet should be observable with small telescopes.


== Observational history ==
== Observational history ==
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=== 2011 apparition ===
=== 2011 apparition ===
The comet was not observed during the 2011 unfavorable apparition since the [[Apsis|perihelion]] passage occurred when the comet was on the far side of the Sun.
The comet was not observed during the 2011 unfavorable apparition since the [[Apsis|perihelion]] passage occurred when the comet was on the far side of the Sun.


=== 2017 apparition ===
=== 2017 apparition ===
41P was recovered on November 10, 2016, at [[apparent magnitude]] 21 by [[Pan-STARRS]]. On April 1, 2017, the comet passed {{convert|0.142|AU|e6km e6mi|abbr=unit}} from the Earth. The comet was expected to brighten to around magnitude 7 and be visible in [[binoculars]].
41P was recovered on November 10, 2016, at [[apparent magnitude]] 21 by [[Pan-STARRS]]. On April 1, 2017, the comet passed {{convert|0.142|AU|e6km e6mi|abbr=unit}} from the Earth. The comet was expected to brighten to around magnitude 7 and be visible in [[binoculars]].


Observations during the apparition revealed rapid changes in the nucleus rotation rate, interpreted as being caused by strong outgassing torques near perihelion.{{r|Jewitt_2026}}
Observations during the apparition revealed rapid changes in the nucleus rotation rate, interpreted as being caused by strong outgassing torques near perihelion.{{r|Jewitt_2026}}
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{{cite web
{{cite web
|date=December 31, 2006
|date=December 31, 2006
|title=41P/Tuttle-Giacobini-Kresak
|title=41P/Tuttle-Giacobini-Kresak
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|access-date=2010-02-28}}
|access-date=2010-02-28}}


{{cite web
{{cite web
|date=July 22, 2011
|date=July 22, 2011
|title=41P/Tuttle-Giacobini-Kresak (2011)
|title=41P/Tuttle-Giacobini-Kresak (2011)
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|url=http://www.aerith.net/comet/catalog/0041P/2011.html
|url=http://www.aerith.net/comet/catalog/0041P/2011.html
|access-date=2012-02-18}}
|access-date=2012-02-18}}

{{cite web
|author1=G. van Buitenen
|title=41P/Tuttle-Giacobini-Kresak
|url=https://astro.vanbuitenen.nl/comet/41
|website=astro.vanbuitenen.nl
|access-date= 2026-04-26 }}


{{cite web
{{cite web
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