Imaginary Picture of KOI-120.01

Display orbital revolution of KOI-120.01 around the hoststar 2MASS J19373645+5010195
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Exoplanet Name : KOI-120.01
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 2.7740 (Rjup) 31.0938 (Rearth)
Mass (Mjup / Me): 20.9242 (Mjup) 6652.5881 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.1435 (AU) 0.1435 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0562
Orbital Period(Observed/Estimated) 20.55 (Days Obs.) 20.57 (Days Est.)
Surface Gravity (G Earth) 6.8809
Star Radiation at Atmospheric Boundary: 93074.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 779.6 (K)
Blackbody T 0.3(K) 732.1 (K)
Blackbody T 0.7(K) 592.3 (K)
Tidally Locked Blackbody T 0.1(K) 927.1 (K)
Tidally Locked Blackbody T 0.3(K) 870.6 (K)
Size Class: Sub-Star-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 : 2MASS J19373645+5010195
Alternate Name : 11869052
Star Distance(LY) : 0.0
Stellar Radius(Rsun) : 1.2 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5667 (K)
Spectral type : G5
UV portion[%]: 7.5
Visible portion[%]: 44.2
IR portion[%]: 48.2
Metalicity : 0.0
Absolute Magnitude: 25.0
Apparent Magnitude: 11.8
Right Ascension(RA) 294.4019
Declination (DEC) 50.1721
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK
Open Exoplanet Database Link
KOI-120.01
KOI-120.01

  • KOI-120.01 is an exoplanet orbiting the star 2MASS J19373645+5010195. Its discovery was publicly announced on 2017.
  • The host star 2MASS J19373645+5010195 has apparent magnitude of 11.8, with absolute magnitude of 25.0.
  • It is 0.9 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 5667 with its spectral types of G5
  • In this planetary system, the extrasolar planet KOI-120.01 orbits around the star 2MASS J19373645+5010195 every 20.5 days with its orbital distance of 0.14 AU ( 21467294.4 km)
  • (Projected orbit of KOI-120.01 around its host star 2MASS J19373645+5010195)


  • The Star 2MASS J19373645+5010195 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.856 AU ( 128121670.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.184 AU ( 177097630.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.804 AU ( 269857596.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.654 AU ( 397107275.1 km)
  • Radiation at Planetary Boundary of KOI-120.01 : 93074.34 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star 2MASS J19373645+5010195)



  • Kopparapu Recent Venus for Star 2MASS J19373645+5010195 distance : 0.894 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star 2MASS J19373645+5010195 distance : 1.132 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star 2MASS J19373645+5010195 distance : 1.093 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star 2MASS J19373645+5010195 distance : 1.198 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star 2MASS J19373645+5010195 distance : 2.004 AU
  • Kopparapu Outer Boundary for Early Mars for Star 2MASS J19373645+5010195 distance : 2.114 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star 2MASS J19373645+5010195)



  • Original Kopparapu Recent Venus for Star 2MASS J19373645+5010195 distance : 0.893 AU
  • Original Kopparapu Runaway Greenhouse for Star 2MASS J19373645+5010195 distance : 1.163 AU
  • Original Kopparapu Moist Greenhouse for Star 2MASS J19373645+5010195 distance : 1.181 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star 2MASS J19373645+5010195 distance : 2.039 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star 2MASS J19373645+5010195 distance : 2.121 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star 2MASS J19373645+5010195)



    (Position in Stellar Map of star 2MASS J19373645+5010195 and its Exoplanet KOI-120.01)



    (Zoomed position in Stellar Map of star 2MASS J19373645+5010195 and its Exoplanet KOI-120.01 (zoom level 3))

    (Synthetic Spectrum of star 2MASS J19373645+5010195*)
    *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