Imaginary Picture of Kepler-148 b

Display orbital revolution of Kepler-148 b around the hoststar Kepler-148
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Exoplanet Name : Kepler-148 b
Alternate Name : "2MASS J19190869+4651316 b, K00398.03, KIC 9946525 b, KOI-398 b, KOI-398.03, WISE J191908.68+465131.6 b"
Radius (Rjup / Re): 0.1610 (Rjup) 1.8046 (Rearth)
Mass (Mjup / Me): 0.0144 (Mjup) 4.5683 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0280 (AU) 0.0280 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0047
Orbital Period(Observed/Estimated) 1.73 (Days Obs.) 2.40 (Days Est.)
Surface Gravity (G Earth) 1.4027
Star Radiation at Atmospheric Boundary: 774371.1 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1324.0 (K)
Blackbody T 0.3(K) 1243.4 (K)
Blackbody T 0.7(K) 1006.0 (K)
Tidally Locked Blackbody T 0.1(K) 1574.5 (K)
Tidally Locked Blackbody T 0.3(K) 1478.6 (K)
Size Class: super-Earth-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-148
Alternate Name : "2MASS J19190869+4651316, KIC 9946525, KOI-398, WISE J191908.68+465131.6"
Star Distance(LY) : 2580.3
Stellar Radius(Rsun) : 0.8 (Rsun Measured)
Stellar Mass(Msun) : 0.5 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5225 (K)
Spectral type : K0
UV portion[%]: 5.6
Visible portion[%]: 41.1
IR portion[%]: 53.3
Metalicity : 0.1
Absolute Magnitude: 4.4
Apparent Magnitude: 13.9
Right Ascension(RA) 289.7862
Declination (DEC) 46.8588
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-148+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-148%20b/
Kepler-148 b
Kepler-148 b

  • Kepler-148 b is an exoplanet orbiting the star Kepler-148, located about 2580.3 light-years (791.1 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star Kepler-148 has apparent magnitude of 13.9, with absolute magnitude of 4.4.
  • It is 0.5 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5225 with its spectral types of K0
  • In this planetary system, the extrasolar planet Kepler-148 b orbits around the star Kepler-148 every 1.7 days with its orbital distance of 0.03 AU ( 4188740.4 km)
  • (Projected orbit of Kepler-148 b around its host star Kepler-148)


  • The Star Kepler-148 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.482 AU ( 72108807.1 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.666 AU ( 99673215.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.015 AU ( 151879923.0 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.494 AU ( 223497960.1 km)
  • Radiation at Planetary Boundary of Kepler-148 b : 774371.11 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-148)



  • Kopparapu Recent Venus for Star Kepler-148 distance : 0.516 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-148 distance : 0.653 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-148 distance : 0.631 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-148 distance : 0.692 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-148 distance : 1.173 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-148 distance : 1.237 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-148)



  • Original Kopparapu Recent Venus for Star Kepler-148 distance : 0.511 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-148 distance : 0.672 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-148 distance : 0.677 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-148 distance : 1.193 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-148 distance : 1.241 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-148)



    (Position in Stellar Map of star Kepler-148 and its Exoplanet Kepler-148 b)



    (Zoomed position in Stellar Map of star Kepler-148 and its Exoplanet Kepler-148 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-148*)
    *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