Imaginary Picture of Kepler-145 b

Display orbital revolution of Kepler-145 b around the hoststar Kepler-145
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Exoplanet Name : Kepler-145 b
Alternate Name : "2MASS J19253306+4431447 b, K00370.02, KIC 8494142 b, KOI-370 b, KOI-370.02, WISE J192533.06+443144.6 b"
Status : Confirmed
Radius (Rjup / Re): 0.2360 (Rjup) 2.6453 (Rearth)
Mass (Mjup / Me): 0.1170 (Mjup) 37.1987 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.1716 (AU Est.)
Eccentricity : 0.4300
Orbital Period(Yrs) 0.0628
Orbital Period(Observed/Estimated) 22.95 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 5.3158
Star Radiation at Atmospheric Boundary: 207083.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 952.1 (K)
Blackbody T 0.3(K) 894.1 (K)
Blackbody T 0.7(K) 723.4 (K)
Tidally Locked Blackbody T 0.1(K) 1132.2 (K)
Tidally Locked Blackbody T 0.3(K) 1063.3 (K)
Size Class: sub-Neptune-size
Mass Class:
Detection Type : Primary Transit
Mass Detection : TTV
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : Kepler-145
Alternate Name : "KOI-370, KIC 8494142, 2MASS J19253306+4431447, WISE J192533.06+443144.6"
Star Distance(LY) : 1848.5
Stellar Radius(Rsun) : 1.9 (Rsun Measured)
Stellar Mass(Msun) : 1.3 (Msun Measured) 1.3 (Msun Estimated)
Star Age : 2.6 (GY)
Temperature : 6110 (K)
Spectral type : G0
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.1
Absolute Magnitude: 3.2
Apparent Magnitude: 11.9
Right Ascension(RA) 291.3878
Declination (DEC) 44.5291
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors Ji-Wei Xie (University of Toronto and Nanjing University)
Discovery Paper - Title Transit Timing Variation of Near-Resonance Planetary Pairs. II. Confirmation of 30 planets in 15 Multiple Planet Systems
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-145+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/KOI-370.02/
Kepler-145 b
Kepler-145 b

  • Kepler-145 b is an exoplanet orbiting the star Kepler-145, located about 1848.5 light-years (566.7 pc) away from Solar System. Its discovery was publicly announced on 2013.
  • The host star Kepler-145 has apparent magnitude of 11.9, with absolute magnitude of 3.2.
  • It is 1.3 times more massive and 1.9 times bigger compared with our Sun. The surface temperature is 6110 with its spectral types of G0
  • In this planetary system, the extrasolar planet Kepler-145 b orbits around the star Kepler-145 every 23.0 days with its orbital distance of 0.17 AU ( 25672588.6 km)
  • (Projected orbit of Kepler-145 b around its host star Kepler-145)


  • The Star Kepler-145 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.528 AU ( 228545403.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.112 AU ( 315909473.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 3.218 AU ( 481376126.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 4.735 AU ( 708366058.5 km)
  • Radiation at Planetary Boundary of Kepler-145 b : 207083.30 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-145)



  • Kopparapu Recent Venus for Star Kepler-145 distance : 1.552 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-145 distance : 1.965 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-145 distance : 1.898 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-145 distance : 2.080 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-145 distance : 3.443 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-145 distance : 3.631 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-145)



  • Original Kopparapu Recent Venus for Star Kepler-145 distance : 1.565 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-145 distance : 2.017 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-145 distance : 2.070 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-145 distance : 3.504 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-145 distance : 3.644 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-145)



    (Position in Stellar Map of star Kepler-145 and its Exoplanet Kepler-145 b)



    (Zoomed position in Stellar Map of star Kepler-145 and its Exoplanet Kepler-145 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-145*)
    *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