Imaginary Picture of Kepler-158 b

Display orbital revolution of Kepler-158 b around the hoststar Kepler-158
/
Exoplanet Name : Kepler-158 b
Alternate Name : "2MASS J18560773+3946527 b, K00446.01, KIC 4633570 b, KOI-446 b, KOI-446.01, WISE J185607.76+394653.3 b"
Status : Confirmed
Radius (Rjup / Re): 0.1890 (Rjup) 2.1185 (Rearth)
Mass (Mjup / Me): 0.0167 (Mjup) 5.3030 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.1110 (AU) 0.1110 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0457
Orbital Period(Observed/Estimated) 16.71 (Days Obs.) 14.04 (Days Est.)
Surface Gravity (G Earth) 1.1816
Star Radiation at Atmospheric Boundary: 18715.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 522.0 (K)
Blackbody T 0.3(K) 490.2 (K)
Blackbody T 0.7(K) 396.7 (K)
Tidally Locked Blackbody T 0.1(K) 620.8 (K)
Tidally Locked Blackbody T 0.3(K) 583.0 (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-158
Alternate Name : "2MASS J18560773+3946527, KIC 4633570, KOI-446, WISE J185607.76+394653.3"
Star Distance(LY) : 1027.7
Stellar Radius(Rsun) : 0.6 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.7 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 4618 (K)
Spectral type : K4
UV portion[%]: 1.9
Visible portion[%]: 33.1
IR portion[%]: 65.0
Metalicity : -0.2
Absolute Magnitude: 5.2
Apparent Magnitude: 12.7
Right Ascension(RA) 284.0322
Declination (DEC) 39.7813
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-158+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-158%20b/
Kepler-158 b
Kepler-158 b

  • Kepler-158 b is an exoplanet orbiting the star Kepler-158, located about 1027.7 light-years (315.1 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star Kepler-158 has apparent magnitude of 12.7, with absolute magnitude of 5.2.
  • It is 0.9 times more massive and 0.6 times bigger compared with our Sun. The surface temperature is 4618 with its spectral types of K4
  • In this planetary system, the extrasolar planet Kepler-158 b orbits around the star Kepler-158 every 16.7 days with its orbital distance of 0.11 AU ( 16605363.6 km)
  • (Projected orbit of Kepler-158 b around its host star Kepler-158)


  • The Star Kepler-158 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.297 AU ( 44440296.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.411 AU ( 61428102.7 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.626 AU ( 93602834.4 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.921 AU ( 137740671.3 km)
  • Radiation at Planetary Boundary of Kepler-158 b : 18715.29 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-158)



  • Kopparapu Recent Venus for Star Kepler-158 distance : 0.327 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-158 distance : 0.414 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-158 distance : 0.399 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-158 distance : 0.439 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-158 distance : 0.762 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-158 distance : 0.804 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-158)



  • Original Kopparapu Recent Venus for Star Kepler-158 distance : 0.322 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-158 distance : 0.427 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-158 distance : 0.427 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-158 distance : 0.774 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-158 distance : 0.805 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-158)



    (Position in Stellar Map of star Kepler-158 and its Exoplanet Kepler-158 b)



    (Zoomed position in Stellar Map of star Kepler-158 and its Exoplanet Kepler-158 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-158*)
    *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