Imaginary Picture of Kepler-172 e
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Exoplanet Name : Kepler-172 e
Alternate Name :
Radius (Rjup / Re): 0.2460 (Rjup) 2.7574 (Rearth)
Mass (Mjup / Me): 0.0213 (Mjup) 6.7761 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.2110 (AU) 0.2110 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0961
Orbital Period(Observed/Estimated) 35.12 (Days Obs.) 38.17 (Days Est.)
Star Radiation at Atmospheric Boundary: 29959.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 587.2 (K)
Blackbody T 0.3(K) 551.4 (K)
Blackbody T 0.7(K) 446.2 (K)
Tidally Locked Blackbody T 0.1(K) 698.3 (K)
Tidally Locked Blackbody T 0.3(K) 655.8 (K)
Size Class: sub-Neptune-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 : Kepler-172
Alternate Name :
Star Distance(LY) : 0.0
Stellar Radius(Rsun) : 1.1 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5526 (K)
Spectral type : G7
Metalicity : 0.0
Absolute Magnitude: 25.0
Apparent Magnitude: 13.2
Right Ascension(RA) 283.3684
Declination (DEC) 41.8219
Hubble Space Telescope Guide Star Catalog (GSC) ID 0
Discovered by
Discovery Paper - Authors 0
Discovery Paper - Title
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK 0
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-172%20e/
Kepler-172 e
Kepler-172 e

  • Kepler-172 e is an exoplanet orbiting the star Kepler-172. Its discovery was publicly announced on 2014.
  • The host star Kepler-172 has apparent magnitude of 13.2, with absolute magnitude of 25.0.
  • It is 0.9 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5526 with its spectral types of G7
  • In this planetary system, the extrasolar planet Kepler-172 e orbits around the star Kepler-172 every 35.1 days with its orbital distance of 0.21 AU ( 31565150.7 km)
  • (Projected orbit of Kepler-172 e around its host star Kepler-172)


  • The Star Kepler-172 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.714 AU ( 106881768.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.988 AU ( 147738534.9 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.505 AU ( 225120832.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.214 AU ( 331275167.3 km)
  • Radiation at Planetary Boundary of Kepler-172 e : 29959.25 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-172)



  • Kopparapu Recent Venus for Star Kepler-172 distance : 0.752 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-172 distance : 0.952 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-172 distance : 0.919 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-172 distance : 1.008 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-172 distance : 1.693 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-172 distance : 1.786 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-172)



  • Original Kopparapu Recent Venus for Star Kepler-172 distance : 0.749 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-172 distance : 0.979 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-172 distance : 0.991 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-172 distance : 1.722 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-172 distance : 1.791 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-172)



    (Position in Stellar Map of star Kepler-172 and its Exoplanet Kepler-172 e)



    (Zoomed position in Stellar Map of star Kepler-172 and its Exoplanet Kepler-172 e (zoom level 3))