Uranus
E21422
Uranus is an ice giant planet in our Solar System, notable for its pale blue-green color and extreme axial tilt that causes it to rotate on its side.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Uranus canonical | 23 |
| Uranus system | 1 |
| orbit of Uranus | 1 |
Statements (58)
| Predicate | Object |
|---|---|
| instanceOf |
gas giant
ⓘ
giant planet ⓘ ice giant ⓘ outer planet ⓘ planet ⓘ |
| albedo | about 0.51 geometric albedo ⓘ |
| aphelionDistance | about 20.1 astronomical units ⓘ |
| atmosphereComponent |
methane
ⓘ
traces of hydrocarbons ⓘ water vapor (trace) ⓘ |
| atmospherePrimaryComponent | hydrogen ⓘ |
| atmosphereSecondaryComponent | helium ⓘ |
| axialTilt | about 97.8 degrees ⓘ |
| belongsTo | Solar System ⓘ |
| category | ice giant of the Solar System ⓘ |
| colorCause | methane absorption in upper atmosphere ⓘ |
| coreType | rocky core (likely) ⓘ |
| discoveredBy | William Herschel ⓘ |
| discoveryDate | 1781-03-13 ⓘ |
| discoveryInstrument | telescope ⓘ |
| equatorialDiameter | about 51,118 kilometers ⓘ |
| equatorialRotationDirection | retrograde ⓘ |
| escapeVelocity | about 21.3 kilometers per second ⓘ |
| flybyDate | 1986-01-24 ⓘ |
| interiorComposition |
ammonia ice
ⓘ
methane ice ⓘ water ice ⓘ |
| knownMoons | 27 ⓘ |
| largeMoon |
Ariel
ⓘ
Miranda ⓘ Oberon ⓘ Umbriel ⓘ |
| largestMoon | Titania ⓘ |
| lowestObservedTemperature | about 47 Kelvin ⓘ |
| magneticField |
highly tilted relative to rotation axis
ⓘ
significantly offset from planetary center ⓘ |
| mass | about 8.68e25 kilograms ⓘ |
| massRelativeToEarth | about 14.5 times Earth ⓘ |
| meanDensity | about 1.27 grams per cubic centimeter ⓘ |
| meanRadius | about 25,362 kilometers ⓘ |
| meanTemperature | about 49 Kelvin ⓘ |
| moonNamingTheme | characters from Shakespeare and Alexander Pope ⓘ |
| namedAfter |
Uranus
ⓘ
surface form:
Uranus (Greek god of the sky)
|
| numberOfKnownRings | 13 ⓘ |
| obliquity | retrograde rotation ⓘ |
| orbitalEccentricity | about 0.047 ⓘ |
| orbitalInclination | about 0.77 degrees to ecliptic ⓘ |
| orbitalPeriod | about 84 Earth years ⓘ |
| perihelionDistance | about 18.3 astronomical units ⓘ |
| positionInSolarSystem | seventh planet from the Sun ⓘ |
| previousClassification | star (pre-discovery observations) ⓘ |
| ringDiscovery | 1977 ⓘ |
| ringSystem | has planetary rings ⓘ |
| rotationPeriod | about 17.24 hours ⓘ |
| semiMajorAxis | about 19.2 astronomical units ⓘ |
| surfaceGravity | about 8.69 meters per second squared ⓘ |
| visitedBy | Voyager 2 ⓘ |
| visualAppearance | pale blue-green color ⓘ |
Referenced by (25)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Imaging Science System
this entity surface form:
orbit of Uranus