Imaginary Picture of Kepler-827 b

Display orbital revolution of Kepler-827 b around the hoststar Kepler-827
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Exoplanet Name : Kepler-827 b
Alternate Name : "2MASS J19395185+4242308 b, K01355.01, KIC 7211141 b, KOI-1355 b, KOI-1355.01, WISE J193951.86+424231.0 b"
Status : Confirmed
Radius (Rjup / Re): 0.5020 (Rjup) 5.6269 (Rearth)
Mass (Mjup / Me): 0.1240 (Mjup) 39.4260 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.2659 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.1422
Orbital Period(Observed/Estimated) 51.93 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.2452
Star Radiation at Atmospheric Boundary: 34287.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 607.3 (K)
Blackbody T 0.3(K) 570.3 (K)
Blackbody T 0.7(K) 461.5 (K)
Tidally Locked Blackbody T 0.1(K) 722.2 (K)
Tidally Locked Blackbody T 0.3(K) 678.3 (K)
Size Class: sub-Jupiter-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-827
Alternate Name : "2MASS J19395185+4242308, KIC 7211141, KOI-1355, WISE J193951.86+424231.0"
Star Distance(LY) : 6726.4
Stellar Radius(Rsun) : 1.4 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 4.4 (GY)
Temperature : 5674 (K)
Spectral type : G6
UV portion[%]: 7.3
Visible portion[%]: 43.9
IR portion[%]: 48.8
Metalicity : -0.1
Absolute Magnitude: 3.1
Apparent Magnitude: 14.7
Right Ascension(RA) 294.9660
Declination (DEC) 42.7086
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors "Timothy D. Morton, Stephen T. Bryson, Jeffrey L. Coughlin, Jason F. Rowe, Ganesh Ravichandran, Erik A. Petigura, Michael R. Haas, and Natalie M. Batalha"
Discovery Paper - Title FALSE POSITIVE PROBABILITIES FOR ALL KEPLER OBJECTS OF INTEREST: 1284 NEWLY VALIDATED PLANETS AND 697 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-827&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-827%20b/
Kepler-827 b
Kepler-827 b

  • Kepler-827 b is an exoplanet orbiting the star Kepler-827, located about 6726.4 light-years (2062.3 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-827 has apparent magnitude of 14.7, with absolute magnitude of 3.1.
  • It is 0.9 times more massive and 1.4 times bigger compared with our Sun. The surface temperature is 5674 with its spectral types of G6
  • In this planetary system, the extrasolar planet Kepler-827 b orbits around the star Kepler-827 every 51.9 days with its orbital distance of 0.27 AU ( 39777219.6 km)
  • (Projected orbit of Kepler-827 b around its host star Kepler-827)


  • The Star Kepler-827 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.963 AU ( 144088876.1 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.331 AU ( 199168481.7 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.029 AU ( 303488690.3 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.985 AU ( 446596902.7 km)
  • Radiation at Planetary Boundary of Kepler-827 b : 34287.16 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-827)



  • Kopparapu Recent Venus for Star Kepler-827 distance : 1.005 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-827 distance : 1.272 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-827 distance : 1.229 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-827 distance : 1.347 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-827 distance : 2.253 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-827 distance : 2.376 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-827)



  • Original Kopparapu Recent Venus for Star Kepler-827 distance : 1.004 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-827 distance : 1.308 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-827 distance : 1.328 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-827 distance : 2.292 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-827 distance : 2.384 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-827)



    (Position in Stellar Map of star Kepler-827 and its Exoplanet Kepler-827 b)



    (Zoomed position in Stellar Map of star Kepler-827 and its Exoplanet Kepler-827 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-827*)
    *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