Imaginary Picture of KOI-351 b

Display orbital revolution of KOI-351 b around the hoststar KOI-351
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Exoplanet Name : KOI-351 b
Alternate Name : "KOI-351 b, KIC 11442793 b, 2MASS J18574403+4918185 b, K00351.06, KOI-351.06, Kepler-90 b, WISE J185744.03+491818.5 b"
Radius (Rjup / Re): 0.1170 (Rjup) 1.3115 (Rearth)
Mass (Mjup / Me): 0.0082 (Mjup) 2.6041 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0740 (AU) 0.0740 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0192
Orbital Period(Observed/Estimated) 7.01 (Days Obs.) 6.71 (Days Est.)
Surface Gravity (G Earth) 1.5141
Star Radiation at Atmospheric Boundary: 429904.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1142.8 (K)
Blackbody T 0.3(K) 1073.2 (K)
Blackbody T 0.7(K) 868.4 (K)
Tidally Locked Blackbody T 0.1(K) 1359.1 (K)
Tidally Locked Blackbody T 0.3(K) 1276.3 (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 : KOI-351
Alternate Name : "KOI-351, 2MASS J18574403+4918185, KIC 11442793, Kepler-90, WISE J185744.03+491818.5"
Star Distance(LY) : 2835.9
Stellar Radius(Rsun) : 1.2 (Rsun Measured)
Stellar Mass(Msun) : 1.2 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 6015 (K)
Spectral type : G0
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : -0.1
Absolute Magnitude: 4.3
Apparent Magnitude: 14.0
Right Ascension(RA) 284.4335
Declination (DEC) 49.3052
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "A. Santerne, C. Moutou, M. Tsantaki, F. Bouchy, G. H_brard, V. Adibekyan, J.-M. Almenara, L. Amard, S. C. C. Barros, I. Boisse, A. S. Bonomo, G. Bruno, B. Courcol, M. Deleuil, O. Demangeon, R. F. D_az, T. Guillot, M. Havel, G. Montagnier, A. S. Rajpurohit, J. Rey, N. C. Santos"
Discovery Paper - Title SOPHIE velocimetry of Kepler transit candidates XVII. The physical properties of giant exoplanets within 400 days of period
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-90+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-90%20b/
KOI-351 b
KOI-351 b

  • KOI-351 b is an exoplanet orbiting the star KOI-351, located about 2835.9 light-years (869.5 pc) away from Solar System. Its discovery was publicly announced on 2013.
  • The host star KOI-351 has apparent magnitude of 14.0, with absolute magnitude of 4.3.
  • It is 1.2 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 6015 with its spectral types of G0
  • In this planetary system, the extrasolar planet KOI-351 b orbits around the star KOI-351 every 7.0 days with its orbital distance of 0.07 AU ( 11070242.4 km)
  • (Projected orbit of KOI-351 b around its host star KOI-351)


  • The Star KOI-351 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.949 AU ( 141995152.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.312 AU ( 196274408.7 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.999 AU ( 299078763.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.942 AU ( 440107502.3 km)
  • Radiation at Planetary Boundary of KOI-351 b : 429904.69 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star KOI-351)



  • Kopparapu Recent Venus for Star KOI-351 distance : 0.970 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star KOI-351 distance : 1.228 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star KOI-351 distance : 1.186 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star KOI-351 distance : 1.300 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star KOI-351 distance : 2.156 AU
  • Kopparapu Outer Boundary for Early Mars for Star KOI-351 distance : 2.274 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star KOI-351)



  • Original Kopparapu Recent Venus for Star KOI-351 distance : 0.976 AU
  • Original Kopparapu Runaway Greenhouse for Star KOI-351 distance : 1.261 AU
  • Original Kopparapu Moist Greenhouse for Star KOI-351 distance : 1.291 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star KOI-351 distance : 2.194 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star KOI-351 distance : 2.282 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star KOI-351)



    (Position in Stellar Map of star KOI-351 and its Exoplanet KOI-351 b)



    (Zoomed position in Stellar Map of star KOI-351 and its Exoplanet KOI-351 b (zoom level 3))

    (Synthetic Spectrum of star KOI-351*)
    *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