Imaginary Picture of K2-113 b

Display orbital revolution of K2-113 b around the hoststar K2-113
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Exoplanet Name : K2-113 b
Alternate Name : "2MASS J01174783+0652080 b, EPIC 220504338 b, EPIC 220504338.01, WISE J011747.84+065207.8 b"
Status : Confirmed
Radius (Rjup / Re): 1.0830 (Rjup) 12.1393 (Rearth)
Mass (Mjup / Me): 1.2800 (Mjup) 406.9606 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0642 (AU) 0.0642 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0159
Orbital Period(Observed/Estimated) 5.82 (Days Obs.) 5.83 (Days Est.)
Surface Gravity (G Earth) 2.7616
Star Radiation at Atmospheric Boundary: 469508.9 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1168.3 (K)
Blackbody T 0.3(K) 1097.2 (K)
Blackbody T 0.7(K) 887.7 (K)
Tidally Locked Blackbody T 0.1(K) 1389.3 (K)
Tidally Locked Blackbody T 0.3(K) 1304.7 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Primary Transit
Mass Detection : Radial Velocity
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : K2-113
Alternate Name : "2MASS J01174783+0652080, EPIC 220504338, WISE J011747.84+065207.8"
Star Distance(LY) : 2072.9
Stellar Radius(Rsun) : 1.2 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 5.9 (GY)
Temperature : 5660 (K)
Spectral type : G
UV portion[%]: 7.5
Visible portion[%]: 44.2
IR portion[%]: 48.3
Metalicity : 0.3
Absolute Magnitude: 4.7
Apparent Magnitude: 13.7
Right Ascension(RA) 19.4493
Declination (DEC) 6.8689
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=EPIC+220504338&submit=SIMBAD+search
Open Exoplanet Database Link
K2-113 b
K2-113 b

  • K2-113 b is an exoplanet orbiting the star K2-113, located about 2072.9 light-years (635.6 pc) away from Solar System. Its discovery was publicly announced on 2017.
  • The host star K2-113 has apparent magnitude of 13.7, with absolute magnitude of 4.7.
  • It is 1.0 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 5660 with its spectral types of G
  • In this planetary system, the extrasolar planet K2-113 b orbits around the star K2-113 every 5.8 days with its orbital distance of 0.06 AU ( 9604183.3 km)
  • (Projected orbit of K2-113 b around its host star K2-113)


  • The Star K2-113 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.861 AU ( 128739749.6 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.190 AU ( 177951977.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.813 AU ( 271159433.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.667 AU ( 399022984.7 km)
  • Radiation at Planetary Boundary of K2-113 b : 469508.92 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-113)



  • Kopparapu Recent Venus for Star K2-113 distance : 0.898 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star K2-113 distance : 1.137 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star K2-113 distance : 1.099 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star K2-113 distance : 1.205 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-113 distance : 2.015 AU
  • Kopparapu Outer Boundary for Early Mars for Star K2-113 distance : 2.126 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-113)



  • Original Kopparapu Recent Venus for Star K2-113 distance : 0.897 AU
  • Original Kopparapu Runaway Greenhouse for Star K2-113 distance : 1.169 AU
  • Original Kopparapu Moist Greenhouse for Star K2-113 distance : 1.187 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-113 distance : 2.050 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star K2-113 distance : 2.132 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-113)



    (Position in Stellar Map of star K2-113 and its Exoplanet K2-113 b)



    (Zoomed position in Stellar Map of star K2-113 and its Exoplanet K2-113 b (zoom level 3))

    (Synthetic Spectrum of star K2-113*)
    *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