Statements (54)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
Astronomical classification
|
| gptkbp:category |
Trans-Neptunian objects
Minor planets |
| gptkbp:criteria |
Has not cleared its orbital neighborhood
Is not a satellite Orbits the Sun Has sufficient mass for hydrostatic equilibrium (nearly round shape) |
| gptkbp:definedIn |
gptkb:International_Astronomical_Union
|
| gptkbp:defines |
Celestial bodies orbiting the Sun, massive enough for their self-gravity to make them nearly round, but not having cleared their orbital neighborhood
|
| gptkbp:discoveredBy |
Ceres discovered in 1801
Eris discovered in 2005 Haumea discovered in 2004 Makemake discovered in 2005 Pluto discovered in 1930 |
| gptkbp:distinctFrom |
Planets
Small Solar System bodies |
| gptkbp:example |
gptkb:Ceres
gptkb:Pluto gptkb:Eris gptkb:Haumea gptkb:Makemake |
| gptkbp:firstDefined |
2006
|
| https://www.w3.org/2000/01/rdf-schema#label |
Dwarf planets
|
| gptkbp:largestWin |
gptkb:Pluto
|
| gptkbp:location |
gptkb:Solar_System
|
| gptkbp:notableFeature |
Some have moons
Some are binary systems (e.g., Pluto-Charon) Some have atmospheres (e.g., Pluto) |
| gptkbp:numberKnownInSolarSystem |
5 (officially recognized as of 2024)
|
| gptkbp:orbitType |
gptkb:Kuiper_belt
gptkb:Asteroid_belt Scattered disc |
| gptkbp:possibleCandidates |
gptkb:Hygiea
gptkb:Salacia gptkb:2002_MS4 gptkb:Gonggong gptkb:Orcus gptkb:Quaoar gptkb:Varda gptkb:Sedna |
| gptkbp:reclassified |
Pluto reclassified from planet to dwarf planet in 2006
|
| gptkbp:smallestRecognized |
gptkb:Ceres
|
| gptkbp:studiedBy |
Dawn mission (Ceres)
NASA New Horizons (Pluto) |
| gptkbp:surface |
gptkb:rock
gptkb:Ice Volatiles |
| gptkbp:symbol |
⚳ (Ceres)
⯓ (Pluto) ⯦ (Makemake) ⯰ (Haumea) ⯲ (Eris) |
| gptkbp:bfsParent |
gptkb:Our_Sun
|
| gptkbp:bfsLayer |
7
|