|
gptkbp:instance_of
|
gptkb:planet
|
|
gptkbp:area
|
approximately 1.6 times that of Earth
approximately 1.6 times the radius of Earth
|
|
gptkbp:atmosphere
|
gptkb:unknown
unknown composition
|
|
gptkbp:average_temperature
|
gptkb:unknown
approximately 2000 K
estimated to be around 1,200 K
|
|
gptkbp:contains
|
G-type star
|
|
gptkbp:country
|
gptkb:galaxy
gptkb:unknown
gptkb:Kepler-21_system
|
|
gptkbp:discovered_by
|
gptkb:Kepler_Space_Telescope
gptkb:NASA_Ames_Research_Center
transit method
part of Kepler mission
|
|
gptkbp:distance
|
approximately 300 light-years
|
|
gptkbp:eccentricity
|
gptkb:unknown
low
|
|
gptkbp:elevation
|
gptkb:unknown
circular
0.038 AU
|
|
gptkbp:field
|
gptkb:unknown
|
|
gptkbp:fledging_period
|
gptkb:unknown
|
|
gptkbp:growth_habit
|
not habitable
|
|
gptkbp:has_spectral_type
|
gptkb:unknown
|
|
gptkbp:hosts
|
gptkb:Kepler-21
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Kepler-21b
|
|
gptkbp:investment
|
gptkb:unknown
|
|
gptkbp:lighting
|
observed
|
|
gptkbp:location
|
gptkb:Cygnus_constellation
gptkb:Kepler_constellation
gptkb:Milky_Way_Galaxy
|
|
gptkbp:mass
|
gptkb:galaxy
1.1 times that of the Sun
approximately 1.5 times that of Earth
0.5 Jupiter masses
1.6 Earth radii
approximately 8.4 Earth masses
approximately 0.5 times that of Jupiter
|
|
gptkbp:module
|
gptkb:unknown
|
|
gptkbp:orbital_inclination
|
gptkb:unknown
approximately 88 degrees
|
|
gptkbp:orbital_period
|
gptkb:unknown
2.8 days
10.4 days
10.8 days
|
|
gptkbp:population
|
gptkb:unknown
|
|
gptkbp:season
|
gptkb:unknown
|
|
gptkbp:semi_major_axis
|
0.1 AU
0.038 AU
|
|
gptkbp:surface
|
gptkb:unknown
|
|
gptkbp:type
|
gptkb:galaxy
gptkb:engine
super-Earth
|
|
gptkbp:year
|
2.8 days
|
|
gptkbp:year_created
|
gptkb:2011
2011-01-04
|
|
gptkbp:zone
|
gptkb:battle
|
|
gptkbp:bfsParent
|
gptkb:Kepler_mission
|
|
gptkbp:bfsLayer
|
4
|