|
gptkbp:instanceOf
|
gptkb:concert_hall
|
|
gptkbp:albedo
|
0.142
|
|
gptkbp:aphelion
|
69,816,900 km
|
|
gptkbp:atmosphere
|
gptkb:helium
gptkb:exosphere
hydrogen
oxygen
potassium
sodium
|
|
gptkbp:axialTilt
|
0.034 degrees
|
|
gptkbp:color
|
gray
|
|
gptkbp:coreComposition
|
iron
|
|
gptkbp:density
|
5.427 g/cm³
|
|
gptkbp:diameter
|
2,439.7 km
4,879.4 km
|
|
gptkbp:discoveredBy
|
known since antiquity
|
|
gptkbp:distanceFromEarth
|
4.25 km/s
57,909,227 km
77 million km (closest approach)
|
|
gptkbp:eccentricity
|
0.2056
|
|
gptkbp:expansion
|
gptkb:BepiColombo
|
|
gptkbp:explores
|
gptkb:MESSENGER
gptkb:Mariner_10
|
|
gptkbp:firstSatellite
|
gptkb:MESSENGER_(2011-2015)
|
|
gptkbp:firstSpacecraftFlyby
|
gptkb:Mariner_10_(1974)
|
|
gptkbp:hasNoMoons
|
true
|
|
gptkbp:hasNoRings
|
true
|
|
gptkbp:inclination
|
7.005 degrees
|
|
gptkbp:locatedIn
|
gptkb:Solar_System
|
|
gptkbp:magneticFieldStrength
|
present
1.1% of Earth's
|
|
gptkbp:mass
|
3.3011×10^23 kg
|
|
gptkbp:minimumPressure
|
~0 Pa
|
|
gptkbp:namedAfter
|
gptkb:Mercury_(Roman_god)
|
|
gptkbp:orbitType
|
87.969 days
no natural satellites
|
|
gptkbp:orderFromSun
|
1
|
|
gptkbp:perihelion
|
46,001,200 km
|
|
gptkbp:rotationPeriod
|
58.646 days
|
|
gptkbp:surface
|
gptkb:Caloris_Basin
craters
silicate rock
Scarps
|
|
gptkbp:surfaceGravity
|
3.7 m/s²
|
|
gptkbp:surfaceTemperatureMax
|
430°C
|
|
gptkbp:surfaceTemperatureMin
|
-180°C
|
|
gptkbp:symbol
|
gptkb:☿
|
|
gptkbp:type
|
gptkb:terrestrial_planet
|
|
gptkbp:visibleToNakedEye
|
yes
|
|
gptkbp:volume
|
6.083×10^10 km^3
|
|
gptkbp:bfsParent
|
gptkb:☿
|
|
gptkbp:bfsLayer
|
6
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Mercury (planet)
|