Imaginary Picture of Kepler-1131 b

Display orbital revolution of Kepler-1131 b around the hoststar Kepler-1131
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Exoplanet Name : Kepler-1131 b
Alternate Name : "2MASS J19423635+4915406 b, K02171.01, KIC 11410904 b, KOI-2171 b, KOI-2171.01, WISE J194236.36+491540.7 b"
Status : Confirmed
Radius (Rjup / Re): 0.1420 (Rjup) 1.5917 (Rearth)
Mass (Mjup / Me): 0.0128 (Mjup) 4.0648 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0458 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0097
Orbital Period(Observed/Estimated) 3.53 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.6045
Star Radiation at Atmospheric Boundary: 620807.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1252.8 (K)
Blackbody T 0.3(K) 1176.5 (K)
Blackbody T 0.7(K) 951.9 (K)
Tidally Locked Blackbody T 0.1(K) 1489.8 (K)
Tidally Locked Blackbody T 0.3(K) 1399.1 (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-1131
Alternate Name : "2MASS J19423635+4915406, KIC 11410904, KOI-2171, WISE J194236.36+491540.7"
Star Distance(LY) : 3361.8
Stellar Radius(Rsun) : 1.0 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 4.2 (GY)
Temperature : 5772 (K)
Spectral type : G2
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.1
Absolute Magnitude: 3.7
Apparent Magnitude: 13.8
Right Ascension(RA) 295.6515
Declination (DEC) 49.2613
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-1131+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-1131%20b/
Kepler-1131 b
Kepler-1131 b

  • Kepler-1131 b is an exoplanet orbiting the star Kepler-1131, located about 3361.8 light-years (1030.7 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1131 has apparent magnitude of 13.8, with absolute magnitude of 3.7.
  • It is 1.0 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5772 with its spectral types of G2
  • In this planetary system, the extrasolar planet Kepler-1131 b orbits around the star Kepler-1131 every 3.5 days with its orbital distance of 0.05 AU ( 6857798.7 km)
  • (Projected orbit of Kepler-1131 b around its host star Kepler-1131)


  • The Star Kepler-1131 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.707 AU ( 105704493.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.977 AU ( 146111233.7 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.488 AU ( 222641185.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.190 AU ( 327626258.3 km)
  • Radiation at Planetary Boundary of Kepler-1131 b : 620807.34 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1131)



  • Kopparapu Recent Venus for Star Kepler-1131 distance : 0.733 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1131 distance : 0.928 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1131 distance : 0.896 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1131 distance : 0.982 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1131 distance : 1.639 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1131 distance : 1.728 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1131)



  • Original Kopparapu Recent Venus for Star Kepler-1131 distance : 0.733 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1131 distance : 0.953 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1131 distance : 0.971 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1131 distance : 1.667 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1131 distance : 1.734 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1131)



    (Position in Stellar Map of star Kepler-1131 and its Exoplanet Kepler-1131 b)



    (Zoomed position in Stellar Map of star Kepler-1131 and its Exoplanet Kepler-1131 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1131*)
    *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