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Charon (moon): Characters, Physical characteristics & Overview

Charon (/ˈkɛərɒn, -ən/ KAIR-on, -⁠ən or /ˈʃærən/ SHARR-ən), formal designation (134340) Pluto I, is the largest of the five known natural satellites of the dwarf planet Pluto. It has a mean radius of 606 km (377 mi). Charon is a planetary-mass moon and the sixth-largest known trans-Neptunian object after Pluto, Eris, Haumea, Makemake, and Gonggong. It…

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Charon (moon) topic overview

The analysis highlights Characters, Physical characteristics and Overview as prominent areas in the source structure around Charon (moon).

Related topics
89
Source areas
8
Connected nodes
97
Extracted relationships
31
Concept neighborhoods
24
Bridge connections
97

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

Overview · 28 topics
Physical characteristics · 24 topics
Name · 10 topics
Discovery · 8 topics
Classification · 6 topics
Formation · 6 topics
Observation and exploration · 5 topics
Orbit · 2 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Absolute magnitude (H)
1
Adjectives
Charonian[note 2] Charontian, -ean[note 3] Charonean[note 4]
Albedo
~0.38 (locally 0.20–0.73) 0.25 ± 0.03 Bond
Alternative names
S/1978 P 1
Angular diameter
55 milli-arcsec
Apoapsis
19 598.92 km

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

Discovery

Name

Orbit

Formation

Physical characteristics

Observation and exploration

Classification

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

How Charon (moon) connects Entity context

The extracted context around Charon (moon) shows recurring relationship patterns in the source. For example, Charon (moon) → 1 Another extracted example is Charon (moon) → Charonian[note 2] Charontian, -ean[note 3] Charonean[note 4]. Use these groups to spot repeated connection types before inspecting the individual relationships.

Charon (moon)

Top relations

Absolute magnitude (H) · 1
Charon (moon) → 1
Adjectives · 1
Charon (moon) → Charonian[note 2] Charontian, -ean[note 3] Charonean[note 4]
Albedo · 1
Charon (moon) → ~0.38 (locally 0.20–0.73) 0.25 ± 0.03 Bond
Alternative names · 1
Charon (moon) → S/1978 P 1
Angular diameter · 1
Charon (moon) → 55 milli-arcsec
Apoapsis · 1
Charon (moon) → 19 598.92 km
Apparent magnitude · 1
Charon (moon) → 16.8
Average orbital speed · 1
Charon (moon) → 0.21 km/s[note 5]
Designation · 1
Charon (moon) → Pluto I
Discovered by · 1
Charon (moon) → James W. Christy

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

charon pluto charon's moon system surface pluto's atmosphere new horizons two mass planet may mi km solar christy dwarf formation

Charon (moon) relationships Subject–Predicate–Object triples

TTTA extracted 31 structured relationships around Charon (moon). Examples in this analysis include Charon (moon) → Absolute magnitude (H) → 1 and Charon (moon) → Adjectives → Charonian[note 2] Charontian, -ean[note 3] Charonean[note 4]. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
Charon (moon)Absolute magnitude (H)11.00infobox
Charon (moon)AdjectivesCharonian[note 2] Charontian, -ean[note 3] Charonean[note 4]1.00infobox
Charon (moon)Albedo~0.38 (locally 0.20–0.73) 0.25 ± 0.03 Bond1.00infobox
Charon (moon)Alternative namesS/1978 P 11.00infobox
Charon (moon)Angular diameter55 milli-arcsec1.00infobox
Charon (moon)Apoapsis19 598.92 km1.00infobox
Charon (moon)Apparent magnitude16.81.00infobox
Charon (moon)Average orbital speed0.21 km/s[note 5]1.00infobox
Charon (moon)DesignationPluto I1.00infobox
Charon (moon)Discovered byJames W. Christy1.00infobox
Charon (moon)Discovery dateJune 22, 19781.00infobox
Charon (moon)Eccentricity0.0001611.00infobox
Charon (moon)Escape velocity0.59 km/s 0.37 mi/s1.00infobox
Charon (moon)Flattening<0.5%1.00infobox
Charon (moon)Inclination0.080° (to Pluto's equator) 119.591°±0.014° (to Pluto's orbit) 112.783°±0.014° (to the ecliptic)1.00infobox
Charon (moon)Longitude of ascending node223.046°±0.014° (to vernal equinox)1.00infobox
Charon (moon)Mass(1.5897±0.0045)×1021 kg (2.66×10−4 Earths) (12.2% of Pluto)1.00infobox
Charon (moon)Mean density1.705±0.006 g/cm31.00infobox
Charon (moon)Mean radius606.0±0.5 km (0.095 Earths, 0.51 Plutos)1.00infobox
Charon (moon)Named afterDiscoverer's wife, Charlene, and Χάρων Kharōn1.00infobox
Charon (moon)Orbital period (sidereal)6.387221+0.000005 −0.000003 d (6 d, 9 h, 17 m, 35.89 ± 0.35 s)1.00infobox
Charon (moon)Periapsis19 592.61 km1.00infobox
Charon (moon)Pronunciation/ˈkɛərɒn, -ən/ KAIR-on, -⁠ən or /ˈʃærən/ SHARR-ən[note 1]1.00infobox
Charon (moon)Satellite ofPluto1.00infobox
Charon (moon)Semi-major axis19595.764+0.007 −0.008 km (planetocentric) 17181.0 km (barycentric)1.00infobox
Charon (moon)Surface area4.6×106 km2 (0.0090 Earths)1.00infobox
Charon (moon)Surface gravity0.288 m/s21.00infobox
Charon (moon)Synodic rotation periodsynchronous1.00infobox
Charon (moon)Temperature−220 °C (53 K)1.00infobox
Charon (moon)Volume(9.32±0.14)×108 km3 (0.00086 Earths)1.00infobox

Related concept clusters Concept neighborhoods

The concept neighborhoods around Charon (moon) bring nearby vocabulary together. In this analysis, examples include Pluto, Earth and System. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • Charon (moon)
    • Pluto
    • Earth
    • System
    • Mass
    • Pluto's
    • Surface
    • Orbit
    • Planet
    • Years
    • Horizons
    • Two
    • New
  • charon (moon)
    • Pluto
    • Earth
    • System
    • Mass
    • Pluto's
    • Surface
    • Orbit
    • Planet
    • Years
    • Horizons
    • Two
    • New
  • pluto
    • System
    • Two
    • Atmosphere
    • Mi
    • Pluto's
    • Orbit
    • New
    • Charon's
    • Bodies
    • Moons
    • Horizons
    • Surface
  • atmosphere of pluto
    • System
    • Surface
    • Two
    • Pluto's
    • Solar
    • Atmosphere
    • Pluto
    • Nitrogen
    • Mi
    • Charon's
    • Charon
    • Ice
  • charon
    • Pluto
    • System
    • Mass
    • Pluto's
    • Surface
    • Orbit
    • Planet
    • Horizons
    • Two
    • New
    • Atmosphere
    • Moon
  • planetary-mass moon
    • Earth
    • Years
    • May
    • Planet
    • Mass
    • Pluto's
    • Pluto
    • Tholins
    • Nitrogen
    • Body
    • Large
    • Methane
  • moon
    • Earth
    • Years
    • May
    • Planet
    • Mass
    • Pluto's
    • Pluto
    • Tholins
    • Nitrogen
    • Body
    • Large
    • Methane
  • center of mass
    • System
    • Pluto
    • Planet
    • Barycenter
    • Body
    • Discovery
    • Moon
    • Pluto's
    • Surface
    • Earth
    • Large
    • Moons

Connections between topic areas Semantic bridges

For Charon (moon), one of the stronger structural bridges in this analysis connects Charon (moon) with Overview. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
Charon (moon) — Overview · splits 69 ⟂ 29
Charon (moon) — Physical characteristics · splits 73 ⟂ 25
Charon (moon) — Name · splits 87 ⟂ 11
Charon (moon) — Discovery · splits 89 ⟂ 9
Charon (moon) — Formation · splits 91 ⟂ 7
Charon (moon) — Classification · splits 91 ⟂ 7
Charon (moon) — Observation and exploration · splits 92 ⟂ 6
Charon (moon) — Orbit · splits 95 ⟂ 3

Map overview Semantic statistics

Charon (moon)

Nodes98
Edges97
Triples31
Avg. degree1.98
Density0.020408
Components1

Source & methodology

TTTA analyzes the structure around Charon (moon) to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Characters, Physical characteristics & Overview, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — Charon (moon) · EN edition · Analysis: TopicsToTalkAbout

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