Imaginary Picture of Kepler-137 c

Display orbital revolution of Kepler-137 c around the hoststar Kepler-137
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Exoplanet Name : Kepler-137 c
Alternate Name : "2MASS J18483252+4302207 c, K00313.01, KIC 7419318 c, KOI-313 c, KOI-313.01, WISE J184832.53+430221.0 c"
Status : Confirmed
Radius (Rjup / Re): 0.1680 (Rjup) 1.8831 (Rearth)
Mass (Mjup / Me): 0.0149 (Mjup) 4.7528 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.1300 (AU) 0.1300 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0513
Orbital Period(Observed/Estimated) 18.74 (Days Obs.) 17.38 (Days Est.)
Surface Gravity (G Earth) 1.3403
Star Radiation at Atmospheric Boundary: 39994.1 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 631.2 (K)
Blackbody T 0.3(K) 592.7 (K)
Blackbody T 0.7(K) 479.6 (K)
Tidally Locked Blackbody T 0.1(K) 750.6 (K)
Tidally Locked Blackbody T 0.3(K) 704.9 (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-137
Alternate Name : "2MASS J18483252+4302207, KIC 7419318, KOI-313, WISE J184832.53+430221.0"
Star Distance(LY) : 987.9
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 0.8 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5237 (K)
Spectral type : K0
UV portion[%]: 4.9
Visible portion[%]: 39.9
IR portion[%]: 55.2
Metalicity : -0.1
Absolute Magnitude: 4.2
Apparent Magnitude: 11.7
Right Ascension(RA) 282.1355
Declination (DEC) 43.0391
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors 0
Discovery Paper - Title
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-137+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-137%20c/
Kepler-137 c
Kepler-137 c

  • Kepler-137 c is an exoplanet orbiting the star Kepler-137, located about 987.9 light-years (302.9 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star Kepler-137 has apparent magnitude of 11.7, with absolute magnitude of 4.2.
  • It is 1.0 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5237 with its spectral types of K0
  • In this planetary system, the extrasolar planet Kepler-137 c orbits around the star Kepler-137 every 18.7 days with its orbital distance of 0.13 AU ( 19447723.2 km)
  • (Projected orbit of Kepler-137 c around its host star Kepler-137)


  • The Star Kepler-137 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.509 AU ( 76084646.1 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.703 AU ( 105168864.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.071 AU ( 160254075.3 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.576 AU ( 235820892.0 km)
  • Radiation at Planetary Boundary of Kepler-137 c : 39994.10 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-137)



  • Kopparapu Recent Venus for Star Kepler-137 distance : 0.544 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-137 distance : 0.688 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-137 distance : 0.665 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-137 distance : 0.729 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-137 distance : 1.236 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-137 distance : 1.304 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-137)



  • Original Kopparapu Recent Venus for Star Kepler-137 distance : 0.539 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-137 distance : 0.709 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-137 distance : 0.714 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-137 distance : 1.257 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-137 distance : 1.308 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-137)



    (Position in Stellar Map of star Kepler-137 and its Exoplanet Kepler-137 c)



    (Zoomed position in Stellar Map of star Kepler-137 and its Exoplanet Kepler-137 c (zoom level 3))

    (Synthetic Spectrum of star Kepler-137*)
    *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