|
gptkbp:instanceOf
|
natural satellite
moon of Mars
|
|
gptkbp:albedo
|
0.071
|
|
gptkbp:axialTilt
|
0.0°
|
|
gptkbp:catalogueNumber
|
gptkb:Mars_I
|
|
gptkbp:color
|
dark gray
|
|
gptkbp:composition
|
carbonaceous chondrite-like
|
|
gptkbp:density
|
1.876 g/cm³
|
|
gptkbp:diameter
|
11.2667 km
22.533 km
|
|
gptkbp:discoveredBy
|
gptkb:Asaph_Hall
|
|
gptkbp:discoveredIn
|
1877-08-18
|
|
gptkbp:distanceFromEarth
|
9376 km
0.0113 km/s
|
|
gptkbp:distanceFromMars
|
6000 km (approximate closest distance)
|
|
gptkbp:eccentricity
|
0.0151
|
|
gptkbp:explores
|
gptkb:Phobos_2
gptkb:Mars_Reconnaissance_Orbiter
gptkb:Mars_Express
gptkb:Mars_Global_Surveyor
gptkb:Viking_1
gptkb:Viking_2
|
|
gptkbp:firstImageBy
|
gptkb:Viking_1
|
|
gptkbp:futureFate
|
expected to crash into Mars or break up in 30-50 million years
|
|
gptkbp:hasCrater
|
dozens
|
|
gptkbp:hasNoAtmosphere
|
true
|
|
gptkbp:hasNoMagneticField
|
true
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Phobos (moon)
|
|
gptkbp:inclination
|
1.093°
|
|
gptkbp:mainSurfaceFeature
|
gptkb:Stickney_crater
|
|
gptkbp:mass
|
1.0659×10^16 kg
|
|
gptkbp:meanOrbitalSpeed
|
2.138 km/s
|
|
gptkbp:namedAfter
|
gptkb:Phobos_(mythology)
|
|
gptkbp:orbitType
|
prograde
0.31891 days
|
|
gptkbp:otherMoonOfMars
|
gptkb:Deimos_(moon)
|
|
gptkbp:parentBody
|
gptkb:Mars
|
|
gptkbp:rotationPeriod
|
synchronous
|
|
gptkbp:semiMajorAxis
|
9376 km
|
|
gptkbp:shape
|
irregular
|
|
gptkbp:surface
|
gptkb:Stickney_crater
craters
grooves
ridges
1548 km²
|
|
gptkbp:surfaceGravity
|
0.0057 m/s²
|
|
gptkbp:surfaceRegolith
|
loose, dusty
|
|
gptkbp:temperature
|
~233 K
|
|
gptkbp:tidallyLocked
|
true
|
|
gptkbp:volume
|
5660 km³
|
|
gptkbp:yearNamed
|
gptkb:Greek_mythology
|
|
gptkbp:bfsParent
|
gptkb:Phobos_2
|
|
gptkbp:bfsLayer
|
5
|