Imaginary Picture of Kepler-159 b

Display orbital revolution of Kepler-159 b around the hoststar Kepler-159
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Exoplanet Name : Kepler-159 b
Alternate Name : "2MASS J19481684+4052076 b, K00448.01, KIC 5640085 b, KOI-448 b, KOI-448.01, WISE J194816.85+405207.5 b"
Status : Confirmed
Radius (Rjup / Re): 0.2120 (Rjup) 2.3763 (Rearth)
Mass (Mjup / Me): 0.0186 (Mjup) 5.9007 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0820 (AU) 0.0820 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0278
Orbital Period(Observed/Estimated) 10.14 (Days Obs.) 8.58 (Days Est.)
Surface Gravity (G Earth) 1.0450
Star Radiation at Atmospheric Boundary: 37126.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 619.5 (K)
Blackbody T 0.3(K) 581.8 (K)
Blackbody T 0.7(K) 470.7 (K)
Tidally Locked Blackbody T 0.1(K) 736.8 (K)
Tidally Locked Blackbody T 0.3(K) 691.9 (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-159
Alternate Name : "2MASS J19481684+4052076, KIC 5640085, KOI-448, WISE J194816.85+405207.5"
Star Distance(LY) : 1218.6
Stellar Radius(Rsun) : 0.7 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 0.7 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 4653 (K)
Spectral type : M0 V
UV portion[%]: 2.0
Visible portion[%]: 33.1
IR portion[%]: 64.9
Metalicity : -0.9
Absolute Magnitude: 5.2
Apparent Magnitude: 13.1
Right Ascension(RA) 297.0702
Declination (DEC) 40.8688
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-159+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-159%20b/
Kepler-159 b
Kepler-159 b

  • Kepler-159 b is an exoplanet orbiting the star Kepler-159, located about 1218.6 light-years (373.6 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star Kepler-159 has apparent magnitude of 13.1, with absolute magnitude of 5.2.
  • It is 1.0 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4653 with its spectral types of M0 V
  • In this planetary system, the extrasolar planet Kepler-159 b orbits around the star Kepler-159 every 10.1 days with its orbital distance of 0.08 AU ( 12267025.4 km)
  • (Projected orbit of Kepler-159 b around its host star Kepler-159)


  • The Star Kepler-159 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.309 AU ( 46239127.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.427 AU ( 63914558.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.651 AU ( 97391642.4 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.958 AU ( 143316068.2 km)
  • Radiation at Planetary Boundary of Kepler-159 b : 37126.17 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-159)



  • Kopparapu Recent Venus for Star Kepler-159 distance : 0.339 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-159 distance : 0.430 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-159 distance : 0.415 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-159 distance : 0.456 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-159 distance : 0.790 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-159 distance : 0.834 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-159)



  • Original Kopparapu Recent Venus for Star Kepler-159 distance : 0.335 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-159 distance : 0.443 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-159 distance : 0.443 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-159 distance : 0.803 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-159 distance : 0.836 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-159)



    (Position in Stellar Map of star Kepler-159 and its Exoplanet Kepler-159 b)



    (Zoomed position in Stellar Map of star Kepler-159 and its Exoplanet Kepler-159 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-159*)
    *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