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gptkbp:instance_of
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gptkb:exoplanet
|
|
gptkbp:atmosphere
|
gptkb:Unknown
Unknown composition
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|
gptkbp:average_temperature
|
approximately 600 K
|
|
gptkbp:contains_star
|
gptkb:Kepler-442
G-type star
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|
gptkbp:country
|
gptkb:Unknown
gptkb:Super-Earth
Rocky planet formation
Kepler-442 system
|
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gptkbp:discovered_by
|
gptkb:Kepler_Space_Telescope
|
|
gptkbp:discovery
|
transit method
Kepler mission team
Kepler-442d: A Super-Earth in the Habitable Zone of a G-Type Star
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|
gptkbp:discovery_year
|
gptkb:2015
January 2015
|
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gptkbp:distance_from_earth
|
approximately 1,200 light years
|
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gptkbp:eccentricity
|
0.03
|
|
gptkbp:future_prospects
|
Speculative
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|
gptkbp:geological_formation
|
gptkb:Unknown
|
|
gptkbp:growth_habit
|
Under investigation
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|
gptkbp:has_field
|
gptkb:Unknown
|
|
gptkbp:has_luminosity
|
1.2 times that of the Sun
Approximately 4.5 billion years
Low variability
Approximately 5,800 K
|
|
gptkbp:has_radius
|
1.34 Earth radii
0.95 Earth radii
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|
https://www.w3.org/2000/01/rdf-schema#label
|
Kepler-442d
|
|
gptkbp:is_explored_in
|
Not yet explored.
|
|
gptkbp:mass
|
1.1 times that of the Sun
1,200 light years from Earth
1.34 Earth masses
1.34 Earth radii
0.75 Earth masses
|
|
gptkbp:metallicity
|
Solar metallicity
|
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gptkbp:orbit_type
|
Stable orbit
|
|
gptkbp:orbital_altitude
|
Circular
0.41 AU from its star
|
|
gptkbp:orbital_inclination
|
89.5 degrees
|
|
gptkbp:orbital_period
|
112.3 days
Not in resonance
22.4 days
|
|
gptkbp:planetary_tilt
|
gptkb:Unknown
|
|
gptkbp:power_source
|
Possible
|
|
gptkbp:research
|
Kepler light curves
|
|
gptkbp:rotation_period
|
gptkb:Unknown
|
|
gptkbp:season
|
gptkb:Yes
|
|
gptkbp:semi_major_axis
|
0.09 AU
0.41 AU
|
|
gptkbp:stellar_companions
|
None known
|
|
gptkbp:surface
|
gptkb:Unknown
Possibly
|
|
gptkbp:zone
|
gptkb:Yes
|
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gptkbp:bfsParent
|
gptkb:Kepler-442
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gptkbp:bfsLayer
|
6
|