Imaginary Picture of Kepler-1146 b

Display orbital revolution of Kepler-1146 b around the hoststar Kepler-1146
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Exoplanet Name : Kepler-1146 b
Alternate Name : "2MASS J19065198+4725322 b, K02214.01, KIC 10328458 b, KOI-2214 b, KOI-2214.01, WISE J190652.00+472532.3 b"
Status : Confirmed
Radius (Rjup / Re): 0.1100 (Rjup) 1.2330 (Rearth)
Mass (Mjup / Me): 0.0065 (Mjup) 2.0811 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0313 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0064
Orbital Period(Observed/Estimated) 2.35 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.3689
Star Radiation at Atmospheric Boundary: 335941.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1074.5 (K)
Blackbody T 0.3(K) 1009.1 (K)
Blackbody T 0.7(K) 816.4 (K)
Tidally Locked Blackbody T 0.1(K) 1277.8 (K)
Tidally Locked Blackbody T 0.3(K) 1200.0 (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-1146
Alternate Name : "2MASS J19065198+4725322, KIC 10328458, KOI-2214, WISE J190652.00+472532.3"
Star Distance(LY) : 2294.0
Stellar Radius(Rsun) : 0.7 (Rsun Measured)
Stellar Mass(Msun) : 0.7 (Msun Measured) 0.7 (Msun Estimated)
Star Age : 4.9 (GY)
Temperature : 4811 (K)
Spectral type : K4
UV portion[%]: 2.1
Visible portion[%]: 34.1
IR portion[%]: 63.8
Metalicity : -0.1
Absolute Magnitude: 5.0
Apparent Magnitude: 14.2
Right Ascension(RA) 286.7166
Declination (DEC) 47.4256
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "Timothy D. Morton, Stephen T. Bryson, Jeffrey L. Coughlin, Jason F. Rowe, Ganesh Ravichandran, Erik A. Petigura, Michael R. Haas, and Natalie M. Batalha2"
Discovery Paper - Title FALSE POSITIVE PROBABILITIES FOR ALL KEPLER OBJECTS OF INTEREST: 1284 NEWLY VALIDATED PLANETS AND 428 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-1146+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-1146%20b/
Kepler-1146 b
Kepler-1146 b

  • Kepler-1146 b is an exoplanet orbiting the star Kepler-1146, located about 2294.0 light-years (703.3 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1146 has apparent magnitude of 14.2, with absolute magnitude of 5.0.
  • It is 0.7 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4811 with its spectral types of K4
  • In this planetary system, the extrasolar planet Kepler-1146 b orbits around the star Kepler-1146 every 2.4 days with its orbital distance of 0.03 AU ( 4683818.9 km)
  • (Projected orbit of Kepler-1146 b around its host star Kepler-1146)


  • The Star Kepler-1146 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.355 AU ( 53108261.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.491 AU ( 73409496.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.748 AU ( 111859826.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.100 AU ( 164606635.0 km)
  • Radiation at Planetary Boundary of Kepler-1146 b : 335941.29 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1146)



  • Kopparapu Recent Venus for Star Kepler-1146 distance : 0.387 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1146 distance : 0.490 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1146 distance : 0.474 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1146 distance : 0.520 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1146 distance : 0.896 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1146 distance : 0.945 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1146)



  • Original Kopparapu Recent Venus for Star Kepler-1146 distance : 0.383 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1146 distance : 0.506 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1146 distance : 0.506 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1146 distance : 0.911 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1146 distance : 0.947 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1146)



    (Position in Stellar Map of star Kepler-1146 and its Exoplanet Kepler-1146 b)



    (Zoomed position in Stellar Map of star Kepler-1146 and its Exoplanet Kepler-1146 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1146*)
    *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