Statements (26)
Predicate | Object |
---|---|
gptkbp:instanceOf |
gptkb:exoplanet
|
gptkbp:apparentMagnitude |
~18.07
|
gptkbp:atmosphere |
methane
water vapor carbon monoxide |
gptkbp:constellation |
gptkb:Pegasus
|
gptkbp:containsPlanet |
gptkb:HR_8799_planetary_system
|
gptkbp:detects |
direct imaging
|
gptkbp:diameter |
1.2 Jupiter radii
|
gptkbp:discoveredBy |
Bruce Macintosh
Christian Marois Travis Barman |
gptkbp:discoveredIn |
2008
|
gptkbp:distanceFromEarth |
129 light years
|
gptkbp:eccentricity |
0.02
|
gptkbp:hostedBy |
gptkb:HR_8799
|
https://www.w3.org/2000/01/rdf-schema#label |
HR 8799 b
|
gptkbp:mass |
7 Jupiter masses
|
gptkbp:orbitType |
460 years
|
gptkbp:otherPlanetsInSystem |
gptkb:HR_8799_c
gptkb:HR_8799_d gptkb:HR_8799_e |
gptkbp:semiMajorAxis |
68 AU
|
gptkbp:temperature |
900 K
|
gptkbp:bfsParent |
gptkb:HR_8799
|
gptkbp:bfsLayer |
7
|