Research any topic before you write.

Find related topics. | Discover entities. | See connections. | Build a topical map.

3 Juno

Juno (minor-planet designation: 3 Juno) is a large asteroid in the asteroid belt. Juno was the third asteroid discovered, in 1804, by German astronomer Karl Harding. It is tied with three other asteroids as the thirteenth largest asteroid, and it is one of the two largest stony (S-type) asteroids, along with 15 Eunomia. It is estimated to contain 1% of…

Characters & History

Use the mouse wheel or two fingers (on touchscreens) to zoom in and out of the map.

Research this topic

Explore the main themes, entities and connections around 3 Juno. Start with the topic map, then use the sections below for research and deeper semantic analysis.

Explore this topic

Start with a few of the strongest sections from the source topic. These are research directions, not a list of keywords you must use.

Characteristics

39 related topics

Observations

14 related topics

History

8 related topics

Oppositions

1 related topics

Key facts & relationships

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

Absolute magnitude (H)
5.33
Adjectives
Junonian /dʒuːˈnoʊniən/
Angular diameter
0.30" to 0.07"
Aphelion
3.35 AU (501 million km)
Apparent magnitude
7.4 to 11.55
Argument of perihelion
247.74°

Topics to explore

Browse the full topic structure. Each item opens a new analysis centered on that subject.

Overview

History

Characteristics

Observations

Oppositions

  • AU Astronomical unit

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.

Map overview Semantic statistics

3 Juno

Nodes74
Edges73
Triples67
Avg. degree1.97
Density0.027027
Components1

How this topic connects Entity context

See the strongest relationship patterns around the current topic before diving into the raw triples.

3 Juno

Top relations

related to External links · 23
3 Juno → Archived, AstDyS-2, Asteroid Juno Grabs, Asteroids, Discovery, Dynamic SiteEphemeris, Elements, Ephemeris, JPL, JPL EphemerisWell, JPL Small-Body DatabaseClose, Juno, Minor Planet Center, Mount Wilson, Observation, Observational, Orbit, Orbital, Physical, Proper
Absolute magnitude (H) · 1
3 Juno → 5.33
Adjectives · 1
3 Juno → Junonian /dʒuːˈnoʊniən/
Angular diameter · 1
3 Juno → 0.30" to 0.07"
Aphelion · 1
3 Juno → 3.35 AU (501 million km)
Apparent magnitude · 1
3 Juno → 7.4 to 11.55
Argument of perihelion · 1
3 Juno → 247.74°
Average orbital speed · 1
3 Juno → 17.93 km/s
Dimensions · 1
3 Juno → (288 × 250 × 225) ± 5 km (320 × 267 × 200) ± 6 km
Discovered by · 1
3 Juno → Karl Ludwig Harding

Important terminology Word statistics

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

Important terminology

juno asteroid asteroids magnitude discovered belt planet km mass sun orbit symbol discovery surface 15 perihelion yr ceres opposition telescope

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
3 JunoAbsolute magnitude (H)5.331.00infobox
3 JunoAdjectivesJunonian /dʒuːˈnoʊniən/1.00infobox
3 JunoAngular diameter0.30" to 0.07"1.00infobox
3 JunoAphelion3.35 AU (501 million km)1.00infobox
3 JunoApparent magnitude7.4 to 11.551.00infobox
3 JunoArgument of perihelion247.74°1.00infobox
3 JunoAverage orbital speed17.93 km/s1.00infobox
3 JunoDimensions(288 × 250 × 225) ± 5 km (320 × 267 × 200) ± 6 km1.00infobox
3 JunoDiscovered byKarl Ludwig Harding1.00infobox
3 JunoDiscovery date1 September 18041.00infobox
3 JunoEarth MOID1.04 AU (156 million km)1.00infobox
3 JunoEccentricity0.25621.00infobox
3 JunoEquatorial escape velocity0.168 km/s1.00infobox
3 JunoEquatorial rotation velocity31.75 m/s[c]1.00infobox
3 JunoEquatorial surface gravity0.112 m/s2 (0.0114 g0)1.00infobox
3 JunoGeometric albedo0.202 0.2381.00infobox
3 JunoInclination12.991°1.00infobox
3 JunoLongitude of ascending node169.84°1.00infobox
3 JunoMass(2.7±0.24)×1019 kg[a] (2.86±0.46)×1019 kg[b]1.00infobox
3 JunoMean anomaly37.02°1.00infobox
3 JunoMean density3.15±0.28 g/cm3 3.20±0.56 g/cm31.00infobox
3 JunoMean diameter254±2 km 246.596±10.594 km1.00infobox
3 JunoMinor planet categoryMain belt (Juno clump)1.00infobox
3 JunoNamed afterJuno (Latin: Iūno)1.00infobox
3 JunoOrbital period (sidereal)4.361 yr1.00infobox
3 JunoPerihelion1.985 AU (297.0 million km)1.00infobox
3 JunoPole ecliptic latitude27° ± 5°1.00infobox
3 JunoPole ecliptic longitude103° ± 5°1.00infobox
3 JunoPrecession of asc. node−61.222138 arcsec / yr1.00infobox
3 JunoPrecession of perihelion long.43.635655 arcsec / yr1.00infobox

Related concept clusters Concept neighborhoods

These clusters group vocabulary that occurs around closely connected concepts in the source material.

    Connections between topic areas Semantic bridges

    Bridges can reveal useful research angles that are easy to miss in a flat list of related terms.

    Min side: 3
    For writers, content strategists, SEOs, marketers and creators — from quick topic research to advanced semantic analysis.