Imaginary Picture of Kepler-213 b

Display orbital revolution of Kepler-213 b around the hoststar Kepler-213
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Exoplanet Name : Kepler-213 b
Alternate Name : "2MASS J19231780+4438498 b, K00692.01, KIC 8557374 b, KOI-692 b, KOI-692.01, WISE J192317.80+443850.1 b"
Status : Confirmed
Radius (Rjup / Re): 0.1450 (Rjup) 1.6253 (Rearth)
Mass (Mjup / Me): 0.0130 (Mjup) 4.1446 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0360 (AU) 0.0360 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0067
Orbital Period(Observed/Estimated) 2.46 (Days Obs.) 2.57 (Days Est.)
Surface Gravity (G Earth) 1.5690
Star Radiation at Atmospheric Boundary: 1181924.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1471.6 (K)
Blackbody T 0.3(K) 1382.0 (K)
Blackbody T 0.7(K) 1118.2 (K)
Tidally Locked Blackbody T 0.1(K) 1750.0 (K)
Tidally Locked Blackbody T 0.3(K) 1643.5 (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-213
Alternate Name : "2MASS J19231780+4438498, KIC 8557374, KOI-692, WISE J192317.80+443850.1"
Star Distance(LY) : 2070.1
Stellar Radius(Rsun) : 1.1 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5658 (K)
Spectral type : G4
UV portion[%]: 7.6
Visible portion[%]: 44.4
IR portion[%]: 48.0
Metalicity : -0.1
Absolute Magnitude: 3.5
Apparent Magnitude: 12.5
Right Ascension(RA) 290.8242
Declination (DEC) 44.6472
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-213+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-213%20b/
Kepler-213 b
Kepler-213 b

  • Kepler-213 b is an exoplanet orbiting the star Kepler-213, located about 2070.1 light-years (634.7 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star Kepler-213 has apparent magnitude of 12.5, with absolute magnitude of 3.5.
  • It is 0.9 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5658 with its spectral types of G4
  • In this planetary system, the extrasolar planet Kepler-213 b orbits around the star Kepler-213 every 2.5 days with its orbital distance of 0.04 AU ( 5385523.3 km)
  • (Projected orbit of Kepler-213 b around its host star Kepler-213)


  • The Star Kepler-213 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.766 AU ( 114538916.9 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.058 AU ( 158322715.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.613 AU ( 241248782.1 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.373 AU ( 355008151.3 km)
  • Radiation at Planetary Boundary of Kepler-213 b : 1181924.48 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-213)



  • Kopparapu Recent Venus for Star Kepler-213 distance : 0.799 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-213 distance : 1.012 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-213 distance : 0.978 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-213 distance : 1.072 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-213 distance : 1.793 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-213 distance : 1.891 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-213)



  • Original Kopparapu Recent Venus for Star Kepler-213 distance : 0.798 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-213 distance : 1.040 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-213 distance : 1.056 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-213 distance : 1.825 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-213 distance : 1.897 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-213)



    (Position in Stellar Map of star Kepler-213 and its Exoplanet Kepler-213 b)



    (Zoomed position in Stellar Map of star Kepler-213 and its Exoplanet Kepler-213 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-213*)
    *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