HD 189733 B

GPTKB entity

Statements (45)
Predicate Object
gptkbp:instance_of gptkb:planet
gptkbp:bfsLayer 5
gptkbp:bfsParent gptkb:HD_189733_system
gptkbp:area approximately 1.14 times the radius of Jupiter
gptkbp:atmosphere high atmospheric pressure
contains water vapor
complex atmospheric dynamics
possible presence of silicate clouds
gptkbp:average_temperature approximately 1,200 K
extreme temperature difference
gptkbp:country gptkb:HD_189733_system
gptkbp:discovered_by gptkb:Constellation_Vulpecula
gptkb:Hubble_Space_Telescope
transit method
gptkbp:distance approximately 63 light-years
gptkbp:eccentricity 0.0
gptkbp:field strong magnetic field
gptkbp:fledging_period significant atmospheric escape due to heat
gptkbp:growth_habit not habitable
gptkbp:has_spectral_type F8 V
gptkbp:hosts gptkb:HD_189733
https://www.w3.org/2000/01/rdf-schema#label HD 189733 B
gptkbp:lighting light curve shows transits
gptkbp:mass 1.14 RJ (Jupiter radius)
1.15 MJ (Jupiter mass)
approximately 1.15 times the mass of Jupiter
gptkbp:max_speed strong stellar wind from host star
gptkbp:orbital_inclination approximately 85 degrees
gptkbp:orbital_period gptkb:unknown
not in resonance with other planets
2.218 days
likely tidally locked to its star
gptkbp:photography shows photometric variability
gptkbp:research difficult to observe due to brightness of host star
observed by various telescopes
studied using spectroscopy
gptkbp:season no distinct seasons due to close orbit
gptkbp:semi_major_axis 0.03 AU
gptkbp:surface hydrogen and helium
approximately 10 g
gptkbp:transmission approximately 2.5%
gptkbp:type gptkb:engine
gptkbp:weather_conditions extreme winds up to 8,700 km/h
subject of various atmospheric studies
gptkbp:year_created gptkb:2005