Imaginary Picture of Kepler-1091 b

Display orbital revolution of Kepler-1091 b around the hoststar Kepler-1091
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Exoplanet Name : Kepler-1091 b
Alternate Name : "2MASS J19590851+4340147 b, K02095.01, KIC 7918992 b, KOI-2095 b, KOI-2095.01, WISE J195908.51+434014.3 b"
Status : Confirmed
Radius (Rjup / Re): 0.1300 (Rjup) 1.4572 (Rearth)
Mass (Mjup / Me): 0.0120 (Mjup) 3.8269 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0250 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0039
Orbital Period(Observed/Estimated) 1.43 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.8023
Star Radiation at Atmospheric Boundary: 2420409.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1760.4 (K)
Blackbody T 0.3(K) 1653.2 (K)
Blackbody T 0.7(K) 1337.6 (K)
Tidally Locked Blackbody T 0.1(K) 2093.5 (K)
Tidally Locked Blackbody T 0.3(K) 1966.0 (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-1091
Alternate Name : "2MASS J19590851+4340147, KIC 7918992, KOI-2095, WISE J195908.51+434014.3"
Star Distance(LY) : 2981.4
Stellar Radius(Rsun) : 1.0 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 3.5 (GY)
Temperature : 5806 (K)
Spectral type : G2
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : 0.0
Absolute Magnitude: 3.7
Apparent Magnitude: 13.5
Right Ascension(RA) 299.7855
Declination (DEC) 43.6708
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-1091+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-1091%20b/
Kepler-1091 b
Kepler-1091 b

  • Kepler-1091 b is an exoplanet orbiting the star Kepler-1091, located about 2981.4 light-years (914.1 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1091 has apparent magnitude of 13.5, 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 5806 with its spectral types of G2
  • In this planetary system, the extrasolar planet Kepler-1091 b orbits around the star Kepler-1091 every 1.4 days with its orbital distance of 0.02 AU ( 3736699.5 km)
  • (Projected orbit of Kepler-1091 b around its host star Kepler-1091)


  • The Star Kepler-1091 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.760 AU ( 113726822.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.051 AU ( 157200189.0 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.601 AU ( 239538299.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.356 AU ( 352491101.5 km)
  • Radiation at Planetary Boundary of Kepler-1091 b : 2420409.64 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1091)



  • Kopparapu Recent Venus for Star Kepler-1091 distance : 0.787 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1091 distance : 0.996 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1091 distance : 0.962 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1091 distance : 1.055 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1091 distance : 1.758 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1091 distance : 1.854 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1091)



  • Original Kopparapu Recent Venus for Star Kepler-1091 distance : 0.788 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1091 distance : 1.024 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1091 distance : 1.043 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1091 distance : 1.789 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1091 distance : 1.860 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1091)



    (Position in Stellar Map of star Kepler-1091 and its Exoplanet Kepler-1091 b)



    (Zoomed position in Stellar Map of star Kepler-1091 and its Exoplanet Kepler-1091 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1091*)
    *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