Imaginary Picture of Kepler-139 b

Display orbital revolution of Kepler-139 b around the hoststar Kepler-139
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Exoplanet Name : Kepler-139 b
Alternate Name : "2MASS J18493406+4353216 b, K00316.01, KIC 8008067 b, KOI-316 b, KOI-316.01, WISE J184934.03+435320.8 b"
Status : Confirmed
Radius (Rjup / Re): 0.2620 (Rjup) 2.9368 (Rearth)
Mass (Mjup / Me): 0.0226 (Mjup) 7.1851 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.1270 (AU) 0.1270 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0432
Orbital Period(Observed/Estimated) 15.77 (Days Obs.) 15.91 (Days Est.)
Surface Gravity (G Earth) 0.8331
Star Radiation at Atmospheric Boundary: 84540.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 761.0 (K)
Blackbody T 0.3(K) 714.7 (K)
Blackbody T 0.7(K) 578.3 (K)
Tidally Locked Blackbody T 0.1(K) 905.0 (K)
Tidally Locked Blackbody T 0.3(K) 849.9 (K)
Size Class: sub-Neptune-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-139
Alternate Name : "2MASS J18493406+4353216, KIC 8008067, KOI-316, WISE J184934.03+435320.8"
Star Distance(LY) : 1275.2
Stellar Radius(Rsun) : 1.1 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5630 (K)
Spectral type : G6
UV portion[%]: 7.2
Visible portion[%]: 43.8
IR portion[%]: 48.9
Metalicity : 0.2
Absolute Magnitude: 3.6
Apparent Magnitude: 11.5
Right Ascension(RA) 282.3920
Declination (DEC) 43.8894
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors 0
Discovery Paper - Title
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-139+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-139%20b/
Kepler-139 b
Kepler-139 b

  • Kepler-139 b is an exoplanet orbiting the star Kepler-139, located about 1275.2 light-years (391.0 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star Kepler-139 has apparent magnitude of 11.5, with absolute magnitude of 3.6.
  • It is 1.1 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5630 with its spectral types of G6
  • In this planetary system, the extrasolar planet Kepler-139 b orbits around the star Kepler-139 every 15.8 days with its orbital distance of 0.13 AU ( 18998929.6 km)
  • (Projected orbit of Kepler-139 b around its host star Kepler-139)


  • The Star Kepler-139 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.722 AU ( 108066389.5 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.999 AU ( 149375991.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.522 AU ( 227615954.1 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.239 AU ( 334946847.7 km)
  • Radiation at Planetary Boundary of Kepler-139 b : 84540.04 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-139)



  • Kopparapu Recent Venus for Star Kepler-139 distance : 0.755 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-139 distance : 0.956 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-139 distance : 0.924 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-139 distance : 1.013 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-139 distance : 1.696 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-139 distance : 1.789 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-139)



  • Original Kopparapu Recent Venus for Star Kepler-139 distance : 0.754 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-139 distance : 0.983 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-139 distance : 0.998 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-139 distance : 1.726 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-139 distance : 1.795 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-139)



    (Position in Stellar Map of star Kepler-139 and its Exoplanet Kepler-139 b)



    (Zoomed position in Stellar Map of star Kepler-139 and its Exoplanet Kepler-139 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-139*)
    *Yamashiki YA et al. 2019 ApJ 881 114
    MUSCLES Paper I - France et al. 2016 ApJ 820 89
    MUSCLES Paper II- Youngblood et al. 2016 ApJ 824 101
    MUSCLES Paper III- Loyd et al. 2016 ApJ 824 102