Makemake

E20868

Kuiper Belt object celestial body dwarf planet trans-Neptunian object

Makemake is a large, icy dwarf planet in the Kuiper Belt, known for its extremely cold surface and status as one of the most massive objects beyond Neptune.

Statements (47)

Predicate	Object
instanceOf	Kuiper Belt object → celestial body → dwarf planet → trans-Neptunian object →
absoluteMagnitude	approximately -0.3 →
albedo	approximately 0.77 →
aphelionDistance	approximately 53.1 astronomical units →
belongsToDynamicalClass	classical Kuiper Belt object →
discoveredBy	Chad Trujillo → David Rabinowitz → Michael E. Brown →
discoveryDate	2005-03-31 →
distanceFromEarth	varies around 52 astronomical units (approximate) →
dwarfPlanetRecognitionYear	2008 →
eccentricity	approximately 0.16 →
hasBeenObservedByOccultation	yes →
hasSatellite	MK 2 →
hasSeasonalEffects	likely due to eccentric orbit →
hasThinAtmosphere	possible transient atmosphere →
inclination	approximately 29 degrees →
isBeyond	Neptune →
isColderThan	Pluto →
isInHydrostaticEquilibrium	likely →
isNearlySpherical	true →
isObservedBy	Hubble Space Telescope → ground-based telescopes →
isOneOfMostMassiveTransNeptunianObjects	true →
isPartOf	Solar System →
isResonantObject	no strong mean-motion resonance with Neptune →
mass	approximately 3.1×10^21 kilograms →
meanDiameter	approximately 1430 kilometers →
namedAfter	Makemake (Rapa Nui deity) →
orbitalPeriod	approximately 305 Earth years →
orbitalRegion	Kuiper Belt →
orbits	Sun →
perihelionDistance	approximately 38.5 astronomical units →
recognizedAsDwarfPlanetBy	International Astronomical Union →
rotationPeriod	approximately 22.5 hours →
satelliteDiscoveredBy	Hubble Space Telescope →
satelliteDiscoveryDate	2015-04 →
semiMajorAxis	approximately 45.7 astronomical units →
spectralType	red →
surfaceComposition	ethane ice → methane ice → nitrogen ice (possible) →
surfaceState	icy →
surfaceTemperature	approximately 30 to 40 kelvin →

Referenced by (3)

Subject (surface form when different)	Predicate
Kuiper Belt object →	example
Solar System →	hasDwarfPlanet
Rapa Nui people →	traditionalReligionDeity