155P/Shoemaker

{{short description|Periodic comet}}

{{Use dmy dates|date=January 2025}}{{For|other comets discovered by Carolyn and Eugene Shoemaker|Comet Shoemaker}}

{{Infobox comet

| name = 155P/Shoemaker

| image = 155P 2019-11-25 image ZTF-sso-520-zr-fov-7.0 arcmin.png

| caption = Comet Shoemaker 3 photographed from the Zwicky Transient Facility on 25 November 2019

| discovery_ref = {{r|IAUC_4165}}

| discoverer = Carolyn S. Shoemaker
Eugene M. Shoemaker

| discovery_site = Palomar Observatory

| discovery_date = 10 January 1986

| mpc_name = P/1986 A1; P/2002 R2

| designations = 1986a; 1985 XVIII{{r|ICQ1}}
Shoemaker 3

| orbit_ref = {{r|jpl|Yoshida_2020}}

| epoch = 21 May 2011 (JD 2455702.5)

| observation_arc = 12,550 days (34.36 years)

| obs = 1,966

| perihelion = 1.806 AU

| aphelion = 11.38 AU

| semimajor = 6.594 AU

| period = 16.93 years

| eccentricity = 0.72611

| inclination = 6.398°

| asc_node = 97.276°

| arg_peri = 14.602°

| tjup = 2.328

| Earth_moid = 0.825 AU

| Jupiter_moid = 0.302 AU

| M1 = 10.0

| M2 =

| magnitude = 14.89
(2019 apparition)

| last_p = 15 November 2019

| next_p = 22 September 2036

}}

Comet Shoemaker 3, also known as 155P/Shoemaker, is a periodic comet with a 17 year-long orbit around the Sun. It is one of 32 comets discovered by American astronomers, Carolyn and Eugene Shoemaker.

Observational history

The comet was discovered from the Palomar Observatory on the night of 10 January 1986.{{r|Cometography}} The Shoemakers' discovery was confirmed by Brian A. Skiff from the Lowell Observatory two days later.{{r|IAUC_4165}}

A series of possible outbursts occurred from the comet on October 2019, which has raised its maximum brightness to 14.89 during its most recent perihelion.{{r|Bodewits_2019}}

References

{{Reflist|refs=

{{cite journal

| author1= D. Bodewits

| author2= M. S. P. Kelley

| author3= B. Bolin, Bryce

| author4= Q. Ye

| author5= X. Gao

| author6= F. Kugel

| display-authors= 3

| title= Outburst of 155P/Shoemaker 3

| url= https://www.astronomerstelegram.org/?read=13199

| journal= The Astronomer's Telegram

| date= 17 October 2019

| volume= 13199

| bibcode= 2019ATel13199....1B }}

{{cite web

| author1= G. W. Kronk

| title= 155P/Shoemaker

| url= https://cometography.com/pcomets/155p.html

| website= Cometography.com

| access-date= 18 January 2025 }}

{{cite journal

| author1= B. G. Marsden

| title= Comet Shoemaker (1986a)

| url= http://www.cbat.eps.harvard.edu/iauc/04100/04165.html

| journal= International Astronomical Union Circular

| volume= 4165

| date= 17 January 1986 }}

{{cite web

| title= Comet Names and Designations

| url= http://www.icq.eps.harvard.edu/names1.html

| website= International Comet Quarterly

| access-date= 18 January 2025 }}

{{cite web

| title= 155P/Shoemaker – JPL Small-Body Database Lookup

| url= https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=155P

| website= ssd.jpl.nasa.gov

| publisher= Jet Propulsion Laboratory

| access-date= 21 November 2023 }}

{{cite web

| author1= S. Yoshida

| title= 155P/Shoemaker

| url= https://www.aerith.net/comet/catalog/0155P/index.html

| website= www.aerith.net

| access-date= 18 January 2025 }}

}}