Imaginary Picture of Kepler-307 b
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Exoplanet Name : Kepler-307 b
Alternate Name :
Radius (Rjup / Re): 0.2170 (Rjup) 2.4324 (Rearth)
Mass (Mjup / Me): 0.0234 (Mjup) 7.4397 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0859 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0285
Orbital Period(Observed/Estimated) 10.42 (Days Obs.) 0.00 (Days Est.)
Star Radiation at Atmospheric Boundary: 154903.1 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 885.4 (K)
Blackbody T 0.3(K) 831.5 (K)
Blackbody T 0.7(K) 672.8 (K)
Tidally Locked Blackbody T 0.1(K) 1053.0 (K)
Tidally Locked Blackbody T 0.3(K) 988.8 (K)
Size Class: sub-Neptune-size
Mass Class:
Detection Type : Primary Transit
Mass Detection : TTV
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : Kepler-307
Alternate Name :
Star Distance(LY) : 0.0
Stellar Radius(Rsun) : 1.0 (Rsun Measured)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.8 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5445 (K)
Spectral type : G7
Metalicity : 0.2
Absolute Magnitude: 25.0
Apparent Magnitude: 14.1
Right Ascension(RA) 297.7958
Declination (DEC) 40.4178
Hubble Space Telescope Guide Star Catalog (GSC) ID 0
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-307+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-307%20b/
Kepler-307 b
Kepler-307 b

  • Kepler-307 b is an exoplanet orbiting the star Kepler-307. Its discovery was publicly announced on 2013.
  • The host star Kepler-307 has apparent magnitude of 14.1, with absolute magnitude of 25.0.
  • It is 0.8 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5445 with its spectral types of G7
  • In this planetary system, the extrasolar planet Kepler-307 b orbits around the star Kepler-307 every 10.4 days with its orbital distance of 0.09 AU ( 12853777.5 km)
  • (Projected orbit of Kepler-307 b around its host star Kepler-307)


  • The Star Kepler-307 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.662 AU ( 98967159.5 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.914 AU ( 136798477.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.393 AU ( 208450606.4 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.050 AU ( 306744198.9 km)
  • Radiation at Planetary Boundary of Kepler-307 b : 154903.08 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-307)



  • Kopparapu Recent Venus for Star Kepler-307 distance : 0.699 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-307 distance : 0.885 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-307 distance : 0.855 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-307 distance : 0.938 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-307 distance : 1.579 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-307 distance : 1.665 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-307)



  • Original Kopparapu Recent Venus for Star Kepler-307 distance : 0.696 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-307 distance : 0.911 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-307 distance : 0.921 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-307 distance : 1.606 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-307 distance : 1.670 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-307)



    (Position in Stellar Map of star Kepler-307 and its Exoplanet Kepler-307 b)



    (Zoomed position in Stellar Map of star Kepler-307 and its Exoplanet Kepler-307 b (zoom level 3))