Imaginary Picture of Kepler-30 b

Display orbital revolution of Kepler-30 b around the hoststar Kepler-30
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Exoplanet Name : Kepler-30 b
Alternate Name : "2MASS J19010807+3856502 b, K00806.03, KIC 3832474 b, KOI-806 b, KOI-806.03, WISE J190108.08+385650.1 b"
Status : Confirmed
Radius (Rjup / Re): 0.3480 (Rjup) 3.9007 (Rearth)
Mass (Mjup / Me): 0.0360 (Mjup) 11.4458 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.1800 (AU) 0.1800 (AU Est.)
Eccentricity : 0.0420
Orbital Period(Yrs) 0.0803
Orbital Period(Observed/Estimated) 29.33 (Days Obs.) 28.03 (Days Est.)
Surface Gravity (G Earth) 0.7522
Star Radiation at Atmospheric Boundary: 23578.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 553.1 (K)
Blackbody T 0.3(K) 519.4 (K)
Blackbody T 0.7(K) 420.2 (K)
Tidally Locked Blackbody T 0.1(K) 657.7 (K)
Tidally Locked Blackbody T 0.3(K) 617.7 (K)
Size Class: 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-30
Alternate Name : "2MASS J19010807+3856502, KIC 3832474, KOI-806, WISE J190108.08+385650.1"
Star Distance(LY) : 2984.9
Stellar Radius(Rsun) : 0.8 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 2.0 (GY)
Temperature : 5464 (K)
Spectral type : G7
UV portion[%]: 6.9
Visible portion[%]: 43.2
IR portion[%]: 49.9
Metalicity : 0.2
Absolute Magnitude: 5.7
Apparent Magnitude: 15.5
Right Ascension(RA) 285.2836
Declination (DEC) 38.9473
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors 0
Discovery Paper - Title 0
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-30+&submit=SIMBAD+search
Open Exoplanet Database Link 0
Kepler-30 b
Kepler-30 b

  • Kepler-30 b is an exoplanet orbiting the star Kepler-30, located about 2984.9 light-years (915.2 pc) away from Solar System. Its discovery was publicly announced on 2012.
  • The host star Kepler-30 has apparent magnitude of 15.5, with absolute magnitude of 5.7.
  • It is 1.0 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5464 with its spectral types of G7
  • In this planetary system, the extrasolar planet Kepler-30 b orbits around the star Kepler-30 every 29.3 days with its orbital distance of 0.18 AU ( 26927616.7 km)
  • (Projected orbit of Kepler-30 b around its host star Kepler-30)


  • The Star Kepler-30 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.541 AU ( 80888311.8 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.747 AU ( 111808785.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.139 AU ( 170371845.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.676 AU ( 250709634.7 km)
  • Radiation at Planetary Boundary of Kepler-30 b : 23578.44 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-30)



  • Kopparapu Recent Venus for Star Kepler-30 distance : 0.571 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-30 distance : 0.723 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-30 distance : 0.698 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-30 distance : 0.766 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-30 distance : 1.288 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-30 distance : 1.359 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-30)



  • Original Kopparapu Recent Venus for Star Kepler-30 distance : 0.568 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-30 distance : 0.744 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-30 distance : 0.752 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-30 distance : 1.311 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-30 distance : 1.363 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-30)



    (Position in Stellar Map of star Kepler-30 and its Exoplanet Kepler-30 b)



    (Zoomed position in Stellar Map of star Kepler-30 and its Exoplanet Kepler-30 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-30*)
    *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