Imaginary Picture of Kepler-1090 b

Display orbital revolution of Kepler-1090 b around the hoststar Kepler-1090
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Exoplanet Name : Kepler-1090 b
Alternate Name : "2MASS J19423908+4431330 b, K02094.02, KIC 8505920 b, KOI-2094 b, KOI-2094.02, WISE J194239.09+443132.9 b"
Status : Confirmed
Radius (Rjup / Re): 0.2010 (Rjup) 2.2530 (Rearth)
Mass (Mjup / Me): 0.0177 (Mjup) 5.6154 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.6337 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.5439
Orbital Period(Observed/Estimated) 198.68 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.1063
Star Radiation at Atmospheric Boundary: 2514.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 316.1 (K)
Blackbody T 0.3(K) 296.8 (K)
Blackbody T 0.7(K) 240.2 (K)
Tidally Locked Blackbody T 0.1(K) 375.9 (K)
Tidally Locked Blackbody T 0.3(K) 353.0 (K)
Size Class: sub-Neptune-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Habitable
Habitability by Kopparapu: Not habitable
Star Name : Kepler-1090
Alternate Name : "2MASS J19423908+4431330, KIC 8505920, KOI-2094, WISE J194239.09+443132.9"
Star Distance(LY) : 2803.8
Stellar Radius(Rsun) : 1.0 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 4.4 (GY)
Temperature : 5325 (K)
Spectral type : K0
UV portion[%]: 5.9
Visible portion[%]: 41.7
IR portion[%]: 52.3
Metalicity : -0.0
Absolute Magnitude: 3.9
Apparent Magnitude: 13.6
Right Ascension(RA) 295.6629
Declination (DEC) 44.5258
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-1090+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-1090%20b/
Kepler-1090 b
Kepler-1090 b

  • Kepler-1090 b is an exoplanet orbiting the star Kepler-1090, located about 2803.8 light-years (859.6 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-1090 has apparent magnitude of 13.6, with absolute magnitude of 3.9.
  • It is 0.9 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5325 with its spectral types of K0
  • In this planetary system, the extrasolar planet Kepler-1090 b orbits around the star Kepler-1090 every 198.7 days with its orbital distance of 0.63 AU ( 94798421.9 km)
  • (Projected orbit of Kepler-1090 b around its host star Kepler-1090)


  • The Star Kepler-1090 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.622 AU ( 92998908.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.859 AU ( 128548794.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.309 AU ( 195879914.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.927 AU ( 288245875.7 km)
  • Radiation at Planetary Boundary of Kepler-1090 b : 2514.74 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1090)



  • Kopparapu Recent Venus for Star Kepler-1090 distance : 0.661 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1090 distance : 0.837 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1090 distance : 0.809 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1090 distance : 0.887 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1090 distance : 1.500 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1090 distance : 1.582 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1090)



  • Original Kopparapu Recent Venus for Star Kepler-1090 distance : 0.657 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1090 distance : 0.862 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1090 distance : 0.869 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1090 distance : 1.525 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1090 distance : 1.586 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1090)



    (Position in Stellar Map of star Kepler-1090 and its Exoplanet Kepler-1090 b)



    (Zoomed position in Stellar Map of star Kepler-1090 and its Exoplanet Kepler-1090 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1090*)
    *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