Imaginary Picture of EPIC 211945201 b

Display orbital revolution of EPIC 211945201 b around the hoststar EPIC 211945201
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Exoplanet Name : EPIC 211945201 b
Alternate Name : "2MASS J09061775+1924080 b, EPIC 211945201.01, K2-236 b, TYC
Radius (Rjup / Re): 0.5140 (Rjup) 5.7614 (Rearth)
Mass (Mjup / Me): 0.0850 (Mjup) 27.0247 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.1493 (AU) 0.1493 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0534
Orbital Period(Observed/Estimated) 19.49 (Days Obs.) 19.48 (Days Est.)
Surface Gravity (G Earth) 0.8141
Star Radiation at Atmospheric Boundary: 144206.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 869.7 (K)
Blackbody T 0.3(K) 816.8 (K)
Blackbody T 0.7(K) 660.9 (K)
Tidally Locked Blackbody T 0.1(K) 1034.3 (K)
Tidally Locked Blackbody T 0.3(K) 971.3 (K)
Size Class: sub-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 : EPIC 211945201
Alternate Name : "2MASS J09061775+1924080, K2-236, TYC 1404-1186-1, WISE J090617.uE'f3@?A@
Star Distance(LY) : 595.7
Stellar Radius(Rsun) : 1.4 (Rsun Measured)
Stellar Mass(Msun) : 1.2 (Msun Measured) 1.2 (Msun Estimated)
Star Age : 4.0 (GY)
Temperature : 6069 (K)
Spectral type : G0
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.1
Absolute Magnitude: 3.8
Apparent Magnitude: 10.2
Right Ascension(RA) 136.5740
Declination (DEC) 19.4023
Hubble Space Telescope Guide Star Catalog (GSC) ID 01404-0118
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=EPIC+211945201+&submit=SIMBAD+search
Open Exoplanet Database Link
EPIC 211945201 b
EPIC 211945201 b

  • EPIC 211945201 b is an exoplanet orbiting the star EPIC 211945201, located about 595.7 light-years (182.6 pc) away from Solar System. Its discovery was publicly announced on 2018.
  • The host star EPIC 211945201 has apparent magnitude of 10.2, with absolute magnitude of 3.8.
  • It is 1.2 times more massive and 1.4 times bigger compared with our Sun. The surface temperature is 6069 with its spectral types of G0
  • In this planetary system, the extrasolar planet EPIC 211945201 b orbits around the star EPIC 211945201 every 19.5 days with its orbital distance of 0.15 AU ( 22334962.1 km)
  • (Projected orbit of EPIC 211945201 b around its host star EPIC 211945201)


  • The Star EPIC 211945201 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.109 AU ( 165923227.8 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.533 AU ( 229349261.7 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.336 AU ( 349477520.0 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.438 AU ( 514271480.3 km)
  • Radiation at Planetary Boundary of EPIC 211945201 b : 144206.01 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star EPIC 211945201)



  • Kopparapu Recent Venus for Star EPIC 211945201 distance : 1.129 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star EPIC 211945201 distance : 1.430 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star EPIC 211945201 distance : 1.381 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star EPIC 211945201 distance : 1.514 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star EPIC 211945201 distance : 2.508 AU
  • Kopparapu Outer Boundary for Early Mars for Star EPIC 211945201 distance : 2.645 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star EPIC 211945201)



  • Original Kopparapu Recent Venus for Star EPIC 211945201 distance : 1.138 AU
  • Original Kopparapu Runaway Greenhouse for Star EPIC 211945201 distance : 1.468 AU
  • Original Kopparapu Moist Greenhouse for Star EPIC 211945201 distance : 1.505 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star EPIC 211945201 distance : 2.553 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star EPIC 211945201 distance : 2.655 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star EPIC 211945201)



    (Position in Stellar Map of star EPIC 211945201 and its Exoplanet EPIC 211945201 b)



    (Zoomed position in Stellar Map of star EPIC 211945201 and its Exoplanet EPIC 211945201 b (zoom level 3))

    (Synthetic Spectrum of star EPIC 211945201*)
    *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