Imaginary Picture of Kepler-879 b

Display orbital revolution of Kepler-879 b around the hoststar Kepler-879
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Exoplanet Name : Kepler-879 b
Alternate Name : "2MASS J19431357+5054352 b, K01522.01, KIC 12266636 b, KOI-1522 b, KOI-1522.01, WISE J194313.57+505435.1 b"
Status : Confirmed
Radius (Rjup / Re): 0.2290 (Rjup) 2.5669 (Rearth)
Mass (Mjup / Me): 0.0199 (Mjup) 6.3395 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.2043 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0914
Orbital Period(Observed/Estimated) 33.39 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 0.9622
Star Radiation at Atmospheric Boundary: 38600.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 625.6 (K)
Blackbody T 0.3(K) 587.5 (K)
Blackbody T 0.7(K) 475.3 (K)
Tidally Locked Blackbody T 0.1(K) 744.0 (K)
Tidally Locked Blackbody T 0.3(K) 698.7 (K)
Size Class: sub-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-879
Alternate Name : "2MASS J19431357+5054352, KIC 12266636, KOI-1522, WISE J194313.57+505435.1"
Star Distance(LY) : 2616.8
Stellar Radius(Rsun) : 1.1 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 4.3 (GY)
Temperature : 5836 (K)
Spectral type : G2
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : 0.1
Absolute Magnitude: 3.6
Apparent Magnitude: 13.1
Right Ascension(RA) 295.8066
Declination (DEC) 50.9098
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 725 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-879&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-879%20b/
Kepler-879 b
Kepler-879 b

  • Kepler-879 b is an exoplanet orbiting the star Kepler-879, located about 2616.8 light-years (802.3 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-879 has apparent magnitude of 13.1, with absolute magnitude of 3.6.
  • It is 1.0 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5836 with its spectral types of G2
  • In this planetary system, the extrasolar planet Kepler-879 b orbits around the star Kepler-879 every 33.4 days with its orbital distance of 0.20 AU ( 30556578.5 km)
  • (Projected orbit of Kepler-879 b around its host star Kepler-879)


  • The Star Kepler-879 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.785 AU ( 117443857.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.085 AU ( 162338102.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.654 AU ( 247367343.0 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.433 AU ( 364011881.7 km)
  • Radiation at Planetary Boundary of Kepler-879 b : 38600.29 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-879)



  • Kopparapu Recent Venus for Star Kepler-879 distance : 0.811 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-879 distance : 1.027 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-879 distance : 0.992 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-879 distance : 1.087 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-879 distance : 1.810 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-879 distance : 1.910 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-879)



  • Original Kopparapu Recent Venus for Star Kepler-879 distance : 0.813 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-879 distance : 1.055 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-879 distance : 1.076 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-879 distance : 1.842 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-879 distance : 1.916 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-879)



    (Position in Stellar Map of star Kepler-879 and its Exoplanet Kepler-879 b)



    (Zoomed position in Stellar Map of star Kepler-879 and its Exoplanet Kepler-879 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-879*)
    *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