Imaginary Picture of EPIC 211969807 b
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Exoplanet Name : EPIC 211969807 b
Alternate Name :
Radius (Rjup / Re): 0.1700 (Rjup) 1.9055 (Rearth)
Mass (Mjup / Me): 0.0151 (Mjup) 4.8054 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0246 (AU Est.)
Eccentricity : 0.1800
Orbital Period(Yrs) 0.0054
Orbital Period(Observed/Estimated) 1.97 (Days Obs.) 0.00 (Days Est.)
Star Radiation at Atmospheric Boundary: 83733.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 759.2 (K)
Blackbody T 0.3(K) 713.0 (K)
Blackbody T 0.7(K) 576.9 (K)
Tidally Locked Blackbody T 0.1(K) 902.9 (K)
Tidally Locked Blackbody T 0.3(K) 847.9 (K)
Size Class: sub-Neptune-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : EPIC 211969807
Alternate Name :
Star Distance(LY) : 0.0
Stellar Radius(Rsun) : 0.5 (Rsun Measured)
Stellar Mass(Msun) : 0.5 (Msun Measured) 0.5 (Msun Estimated)
Star Age : 0.8 (GY)
Temperature : 3660 (K)
Spectral type : M2
Metalicity : 0.0
Absolute Magnitude: 25.0
Apparent Magnitude: 22.0
Right Ascension(RA) 129.6368
Declination (DEC) 19.7738
Hubble Space Telescope Guide Star Catalog (GSC) ID 0
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+211969807+&submit=SIMBAD+search
Open Exoplanet Database Link
EPIC 211969807 b
EPIC 211969807 b

  • EPIC 211969807 b is an exoplanet orbiting the star EPIC 211969807. Its discovery was publicly announced on 2016.
  • The host star EPIC 211969807 has apparent magnitude of 22.0, with absolute magnitude of 25.0.
  • It is 0.5 times more massive and 0.5 times bigger compared with our Sun. The surface temperature is 3660 with its spectral types of M2
  • In this planetary system, the extrasolar planet EPIC 211969807 b orbits around the star EPIC 211969807 every 2.0 days with its orbital distance of 0.02 AU ( 3681131.1 km)
  • (Projected orbit of EPIC 211969807 b around its host star EPIC 211969807)


  • The Star EPIC 211969807 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.139 AU ( 20838263.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.193 AU ( 28803925.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.293 AU ( 43890808.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.432 AU ( 64587247.0 km)
  • Radiation at Planetary Boundary of EPIC 211969807 b : 83733.62 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star EPIC 211969807)



  • Kopparapu Recent Venus for Star EPIC 211969807 distance : 0.157 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star EPIC 211969807 distance : 0.199 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star EPIC 211969807 distance : 0.192 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star EPIC 211969807 distance : 0.211 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star EPIC 211969807 distance : 0.384 AU
  • Kopparapu Outer Boundary for Early Mars for Star EPIC 211969807 distance : 0.405 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star EPIC 211969807)



  • Original Kopparapu Recent Venus for Star EPIC 211969807 distance : 0.156 AU
  • Original Kopparapu Runaway Greenhouse for Star EPIC 211969807 distance : 0.206 AU
  • Original Kopparapu Moist Greenhouse for Star EPIC 211969807 distance : 0.206 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star EPIC 211969807 distance : 0.390 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star EPIC 211969807 distance : 0.405 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star EPIC 211969807)



    (Position in Stellar Map of star EPIC 211969807 and its Exoplanet EPIC 211969807 b)



    (Zoomed position in Stellar Map of star EPIC 211969807 and its Exoplanet EPIC 211969807 b (zoom level 3))