Imaginary Picture of Kepler-108 A b

Display orbital revolution of Kepler-108 A b around the hoststar Kepler-108 A
/
Exoplanet Name : Kepler-108 A b
Alternate Name : Kepler-108 b
Radius (Rjup / Re): 0.8529 (Rjup) 9.5602 (Rearth)
Mass (Mjup / Me): 0.6082 (Mjup) 193.3595 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.2920 (AU) 0.2920 (AU Est.)
Eccentricity : 0.2200
Orbital Period(Yrs) 0.1347
Orbital Period(Observed/Estimated) 49.18 (Days Obs.) 61.79 (Days Est.)
Surface Gravity (G Earth) 2.1156
Star Radiation at Atmospheric Boundary: 81009.9 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 753.0 (K)
Blackbody T 0.3(K) 707.1 (K)
Blackbody T 0.7(K) 572.1 (K)
Tidally Locked Blackbody T 0.1(K) 895.4 (K)
Tidally Locked Blackbody T 0.3(K) 840.9 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : Kepler-108 A
Alternate Name : Kepler-108
Star Distance(LY) : 0.0
Stellar Radius(Rsun) : 2.2 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 1.4 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5854 (K)
Spectral type : G2
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : -0.0
Absolute Magnitude: 25.0
Apparent Magnitude: 11.4
Right Ascension(RA) 294.5592
Declination (DEC) 46.0623
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "Rowe,ason.; Bryson,tephen.; Marcy,eoffrey.; Lissauer,ack.; Jontof-Hutter,aniel; Mullally,ergal; Gilliland,onald.; Issacson,oward; Ford,ric; Howell,teve.; Borucki,illiam.; Haas,ichael; Huber,aniel; Steffen,ason.; Thompson,usan.; Quintana,lisa; Barclay,homas; Still,artin; Fortney,onathan; Gautier,..,II; Hunter,oger; Caldwell,ouglas.; Ciardi,avid.; Devore,dna; Cochran,illiam; Jenkins,on; Agol,ric; Carter,oshua.; Geary,ohn"
Discovery Paper - Title Validation of Kepler's Multiple Planet Candidates. III. Light Curve Analysis and Announcement of Hundreds of New Multi-planet Systems
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-108+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-108%20b/
Kepler-108 A b
Kepler-108 A b
  • Kepler-108 A b is an exoplanet orbiting the star Kepler-108 A. Its discovery was publicly announced on 2014.
  • The host star Kepler-108 A has apparent magnitude of 11.4, with absolute magnitude of 25.0.
  • It is 0.9 times more massive and 2.2 times bigger compared with our Sun. The surface temperature is 5854 with its spectral types of G2
  • In this planetary system, the extrasolar planet Kepler-108 A b orbits around the star Kepler-108 A every 49.2 days with its orbital distance of 0.29 AU ( 43682578.2 km)
    • (Projected orbit of Kepler-108 A b around its host star Kepler-108 A)


  • The Star Kepler-108 A 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.626 AU ( 243224692.8 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.247 AU ( 336200087.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 3.424 AU ( 512294532.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 5.039 AU ( 753863846.9 km)
  • Radiation at Planetary Boundary of Kepler-108 A b : 81009.92 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-108 A)



  • Kopparapu Recent Venus for Star Kepler-108 A distance : 1.677 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-108 A distance : 2.124 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-108 A distance : 2.052 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-108 A distance : 2.249 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-108 A distance : 3.744 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-108 A distance : 3.949 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-108 A)



  • Original Kopparapu Recent Venus for Star Kepler-108 A distance : 1.682 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-108 A distance : 2.182 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-108 A distance : 2.226 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-108 A distance : 3.810 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-108 A distance : 3.962 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-108 A)



    (Position in Stellar Map of star Kepler-108 A and its Exoplanet Kepler-108 A b)



    (Zoomed position in Stellar Map of star Kepler-108 A and its Exoplanet Kepler-108 A b (zoom level 3))