Imaginary Picture of Kepler-1827 b

Display orbital revolution of Kepler-1827 b around the hoststar Kepler-1827
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Exoplanet Name : Kepler-1827 b
Alternate Name : "KOI-2332 b, KOI-2332.01"
Status : Confirmed
Radius (Rjup / Re): 0.1656 (Rjup) 1.8560 (Rearth)
Mass (Mjup / Me): 0.0147 (Mjup) 4.6891 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0455 (AU) 0.0455 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0101
Orbital Period(Observed/Estimated) 3.70 (Days Obs.) 3.71 (Days Est.)
Surface Gravity (G Earth) 1.3613
Star Radiation at Atmospheric Boundary: 2031478.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1685.0 (K)
Blackbody T 0.3(K) 1582.4 (K)
Blackbody T 0.7(K) 1280.3 (K)
Tidally Locked Blackbody T 0.1(K) 2003.8 (K)
Tidally Locked Blackbody T 0.3(K) 1881.8 (K)
Size Class: super-Earth-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : Kepler-1827
Alternate Name : "KIC 5534941, KOI-2332"
Star Distance(LY) : 2238.9
Stellar Radius(Rsun) : 2.0 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 13.2 (GY)
Temperature : 5387 (K)
Spectral type : K0IV
UV portion[%]: 6.3
Visible portion[%]: 42.3
IR portion[%]: 51.4
Metalicity : -0.1
Absolute Magnitude: 4.0
Apparent Magnitude: 13.2
Right Ascension(RA) 292.2525
Declination (DEC) 40.7927
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK
Open Exoplanet Database Link
Kepler-1827 b
Kepler-1827 b

  • Kepler-1827 b is an exoplanet orbiting the star Kepler-1827, located about 2238.9 light-years (686.5 pc) away from Solar System. Its discovery was publicly announced on 2017.
  • The host star Kepler-1827 has apparent magnitude of 13.2, with absolute magnitude of 4.0.
  • It is 0.9 times more massive and 2.0 times bigger compared with our Sun. The surface temperature is 5387 with its spectral types of K0IV
  • In this planetary system, the extrasolar planet Kepler-1827 b orbits around the star Kepler-1827 every 3.7 days with its orbital distance of 0.05 AU ( 6806703.1 km)
  • (Projected orbit of Kepler-1827 b around its host star Kepler-1827)


  • The Star Kepler-1827 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.269 AU ( 189789956.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.754 AU ( 262339317.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.672 AU ( 399747064.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.932 AU ( 588245316.8 km)
  • Radiation at Planetary Boundary of Kepler-1827 b : 2031478.56 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1827)



  • Kopparapu Recent Venus for Star Kepler-1827 distance : 1.345 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1827 distance : 1.703 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1827 distance : 1.645 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1827 distance : 1.804 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1827 distance : 3.043 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1827 distance : 3.210 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1827)



  • Original Kopparapu Recent Venus for Star Kepler-1827 distance : 1.338 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1827 distance : 1.753 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1827 distance : 1.770 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1827 distance : 3.096 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1827 distance : 3.219 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1827)



    (Position in Stellar Map of star Kepler-1827 and its Exoplanet Kepler-1827 b)



    (Zoomed position in Stellar Map of star Kepler-1827 and its Exoplanet Kepler-1827 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1827*)
    *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