455P/PanSTARRS

{{For|other comets of the same name|List of Pan-STARRS discoveries}}

{{Infobox comet

| name = 455P/PANSTARRS

| discoverer = Pan-STARRS

| discovery_site = Haleakala Observatory

| discovery_date = 30 September 2017

| orbit_ref = {{r|jpldata|MPC}}

| mpc_name = {{unbulleted|P/2011 Q5|P/2017 S9|P/2022 R7}}

| designations = P10E2ep

| epoch = 25 February 2023 (JD 2460000.5)

| observation_arc = 11.03 years

| earliest_precovery_date = 21 August 2011

| obs = 71

| perihelion = 2.192 AU

| aphelion = 4.119 AU

| semimajor = 3.155 AU

| period = 5.604 years

| inclination = 14.138°

| asc_node = 146.21°

| arg_peri = 237.57°

| mean = 359.92°

| tjup = 3.088

| Earth_moid = 1.234 AU

| Jupiter_moid = 1.556 AU

| physical_ref = {{r|Hsieh_2023}}

| mean_radius = {{val|0.5|0.2}} km

| M1 = 9.4

| M2 =

| last_p = 25 February 2023

| next_p = 1 October 2028

}}

455P/PANSTARRS is an Encke-type periodic comet that completes a 5.6-year orbit around the Sun within the main asteroid belt. It is also considered an active asteroid, whose orbit suggested it may belong to the Theobalda collisional family.{{r|Xin_2024}}

References

{{Reflist|refs=

{{cite journal

| author1= H. H. Hsieh

| author2= M. Micheli

| author3= M. S. P. Kelley

| author4= M. M. Knight

| author5= N. A. Moskovitz

| author6= J. Pittichová, Jana

| author7= S. S. Sheppard

| author8= A. Thirouin

| author9= C. A. Trujillo

| author10= R. J. Wainscoat

| author11= R. J. Weryk

| author12= Q. Ye

| display-authors= 5

| title= Observational Characterization of Main-belt Comet and Candidate Main-belt Comet Nuclei

| url= https://iopscience.iop.org/article/10.3847/PSJ/acbdfe/pdf

| journal= The Planetary Science Journal

| year= 2023

| volume= 4

| issue= 3

| bibcode= 2023PSJ.....4...43H

| arxiv= 2302.11689

| doi= 10.3847/PSJ/acbdfe

| doi-access= free }}

{{cite web

| title= 455P/PANSTARRS – JPL Small-Body Database Lookup

| url= https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=455P

| website= ssd.jpl.nasa.gov

| publisher= Jet Propulsion Laboratory

| access-date= 20 May 2025 }}

{{cite web

| title= 455P/PANSTARRS Orbit

| url= http://www.minorplanetcenter.net/db_search/show_object?object_id=455P

| publisher= Minor Planet Center

| access-date= 20 May 2025 }}

{{cite journal

| author1= Y. Xin

| author2= J. Shi

| author3= Y. Ma

| title= Research of the family associations of active asteroids in the main belt

| journal= Monthly Notices of the Royal Astronomical Society

| volume= 527

| issue= 4

| year= 2024

| pages= 10309–10334

| bibcode= 2024MNRAS.52710309X

| doi= 10.1093/mnras/stad3883

| doi-access= free }}

}}

External links

{{JPL Small Body|id=1003542}}
[http://www.aerith.net/comet/catalog/0455P/index.html 455P/PANSTARRS] at Seiichi Yoshida's website

Category:Periodic comets

455P

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