Imaginary Picture of Kepler-138 c
/
Exoplanet Name : Kepler-138 c
Alternate Name : KOI-314 c
Radius (Rjup / Re): 0.1440 (Rjup) 1.6141 (Rearth)
Mass (Mjup / Me): 0.0032 (Mjup) 1.0110 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0933 (AU Est.)
Eccentricity : 0.0500
Orbital Period(Yrs) 0.0377
Orbital Period(Observed/Estimated) 13.78 (Days Obs.) 0.00 (Days Est.)
Star Radiation at Atmospheric Boundary: 10960.8 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 456.7 (K)
Blackbody T 0.3(K) 428.9 (K)
Blackbody T 0.7(K) 347.0 (K)
Tidally Locked Blackbody T 0.1(K) 543.1 (K)
Tidally Locked Blackbody T 0.3(K) 510.0 (K)
Size Class: super-Earth-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-138
Alternate Name : KOI-314
Star Distance(LY) : 0.0
Stellar Radius(Rsun) : 0.5 (Rsun Measured)
Stellar Mass(Msun) : 0.6 (Msun Measured) 0.6 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 4079 (K)
Spectral type : M1 V
Metalicity : 0.0
Absolute Magnitude: 25.0
Apparent Magnitude: 10.3
Right Ascension(RA) 290.3816
Declination (DEC) 43.2930
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 0
Kepler-138 c
Kepler-138 c

  • Kepler-138 c is an exoplanet orbiting the star Kepler-138. Its discovery was publicly announced on 2014.
  • The host star Kepler-138 has apparent magnitude of 10.3, with absolute magnitude of 25.0.
  • It is 0.6 times more massive and 0.5 times bigger compared with our Sun. The surface temperature is 4079 with its spectral types of M1 V
  • In this planetary system, the extrasolar planet Kepler-138 c orbits around the star Kepler-138 every 13.8 days with its orbital distance of 0.09 AU ( 13953746.1 km)
  • (Projected orbit of Kepler-138 c around its host star Kepler-138)


  • The Star Kepler-138 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.191 AU ( 28578629.1 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.264 AU ( 39503134.0 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.402 AU ( 60194034.1 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.592 AU ( 88578158.2 km)
  • Radiation at Planetary Boundary of Kepler-138 c : 10960.76 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-138)



  • Kopparapu Recent Venus for Star Kepler-138 distance : 0.214 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-138 distance : 0.270 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-138 distance : 0.261 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-138 distance : 0.287 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-138 distance : 0.511 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-138 distance : 0.539 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-138)



  • Original Kopparapu Recent Venus for Star Kepler-138 distance : 0.211 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-138 distance : 0.280 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-138 distance : 0.279 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-138 distance : 0.519 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-138 distance : 0.540 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-138)



    (Position in Stellar Map of star Kepler-138 and its Exoplanet Kepler-138 c)



    (Zoomed position in Stellar Map of star Kepler-138 and its Exoplanet Kepler-138 c (zoom level 3))