Pluto

Also known as (134340) Pluto, Sol j

AI overview

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AI-generated from the Wikipedia summary — may contain errors.

Key facts

Planet.name: Pluto
Planet.minorplanet: yes
Planet.symbol: 24px|♇|class=skin-invert or 24px|⯓|class=skin-invert
Planet.image: Pluto in True Color - High-Res.png
Planet.caption: Pluto in true color as imaged by the New Horizons spacecraft in July 2015.
Planet.background: Lavender
Planet.discoverer: Clyde W. Tombaugh
Planet.discovered: February 18, 1930
Planet.discovery_site: Lowell Observatory
Planet.mpc_name: (134340) Pluto
Planet.named_after: Pluto
Planet.epoch: J2000
Planet.earliest_precovery_date: August 20, 1909
Planet.synodic_period: 366.73 days
Planet.avg_speed: 4.743 km/s
Planet.satellites: 5
Planet.dimensions: (observations consistent with a sphere, predicted deviations too small to be observed)
Planet.escape_velocity:  km/s

via Wikipedia infobox

Research

658 papers

Finding Pluto: An Analytics-Based Approach to Safety Data Ecosystems.ReviewSafety and health at work · 2021Barker TTDOI: 10.1016/j.shaw.2020.09.010
Prebiotic Chemistry of Pluto.Astrobiology · 2019Cruikshank DP, Materese CK, Pendleton YJ et al.DOI: 10.1089/ast.2018.1927
To pluto.Nature · 2015DOI: 10.1038/522006b
Neptune, the Next Pluto?-Durvalumab and Tremelimumab Face Challenges in Entering the NSCLC Space.Journal of thoracic oncology : official publication of the International Association for the Study of Lung Cancer · 2023Ahn JY, Nagasaka MDOI: 10.1016/j.jtho.2022.11.004
The crystallography of Pluto.IUCrJ · 2020Salzmann CG, Rosu-Finsen ADOI: 10.1107/S205225252001163X
Pluto story.Nature · 2000Silverberg RDOI: 10.1038/35000306
Broad-spectrum antibiotics disrupt homeostatic efferocytosis.Nature metabolism · 2024Saavedra PHV, Trzeciak AJ, Lipshutz A et al.DOI: 10.1038/s42255-024-01107-7
Large-scale cryovolcanic resurfacing on Pluto.Nature communications · 2022Singer KN, White OL, Schmitt B et al.DOI: 10.1038/s41467-022-29056-3

via PubMed

Wikidata facts

Diameter: 2376
Radius: 1185
Mass: 13.05
Orbital period: 90553.02
Image: Pluto in True Color - High-Res.jpg

Show 24 more facts

Commons category: 134340 Pluto
time of discovery or invention: 1930-02-18
orbital eccentricity: 0.24880766
Commons gallery: 134340 Pluto
semi-major axis of an orbit: 39.48211675
orbital inclination: 11.88
argument of periapsis: 224.06891629
longitude of ascending node: 110.30393684
rotation period: 6.387230
apparent magnitude: 15.1
absolute magnitude: -0.7
albedo: 0.58
periapsis: 4438120030.06
apoapsis: 7376671004.22
synodic period: 366.73
flattening: 1
mean anomaly: 25.2471897
density: 1.85
temperature: 55
hashtag: Pluto
Unicode character: ♇
Stack Exchange tag: astronomy.stackexchange.com/tags/pluto
IPA transcription: ˈpluːto
surface gravity: 0.62

Sources (15)

via Wikidata · CC0

~46 min read

Article

27 sections

Contents

History
Discovery
Name
Symbol
Planet X disproved
Classification
IAU classification
Orbit
Relationship with Neptune <span class="anchor" id="Orbits of Pluto and Neptune"></span>
Other factors
Rotation
Geology
Surface
Internal structure
Mass and size
Atmosphere
Natural satellites
Quasi-satellite
Origin <span class="anchor" id="Origins"></span>
Observation and exploration
Observation
Exploration
See also
Notes
References
Further reading
External links

Pluto (minor-planet designation: 134340 Pluto) is a dwarf planet in the Kuiper belt, a ring of bodies beyond the orbit of Neptune. It is the ninth-largest and tenth-most-massive known object to directly orbit the Sun. It is the largest known trans-Neptunian object by volume by a small margin, but is less massive than Eris. Like other Kuiper belt objects, Pluto is made primarily of ice and rock and is much smaller than the inner planets. Pluto has roughly one-sixth the mass of the Moon and one-third of its volume. Originally considered a planet, its status was changed when astronomers adopted a new definition of the word with new criteria.

Pluto has a moderately eccentric and inclined orbit, ranging from from the Sun. Light from the Sun takes 5.5 hours to reach Pluto at its orbital distance of . Pluto's eccentric orbit periodically brings it closer to the Sun than Neptune, but a stable orbital resonance prevents them from colliding.