Imaginary Picture of Kepler-876 b

Display orbital revolution of Kepler-876 b around the hoststar Kepler-876
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Exoplanet Name : Kepler-876 b
Alternate Name : "2MASS J18535476+4323016 b, K01519.01, KIC 7663405 b, KOI-1519 b, KOI-1519.01, WISE J185354.77+432301.5 b"
Status : Confirmed
Radius (Rjup / Re): 0.1280 (Rjup) 1.4348 (Rearth)
Mass (Mjup / Me): 0.0114 (Mjup) 3.6156 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0544 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0141
Orbital Period(Observed/Estimated) 5.14 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.7564
Star Radiation at Atmospheric Boundary: 212865.8 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 958.7 (K)
Blackbody T 0.3(K) 900.3 (K)
Blackbody T 0.7(K) 728.4 (K)
Tidally Locked Blackbody T 0.1(K) 1140.1 (K)
Tidally Locked Blackbody T 0.3(K) 1070.6 (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-876
Alternate Name : "2MASS J18535476+4323016, KIC 7663405, KOI-1519, WISE J185354.77+432301.5"
Star Distance(LY) : 2679.1
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.8 (Msun Estimated)
Star Age : 5.2 (GY)
Temperature : 5135 (K)
Spectral type : K1
UV portion[%]: 3.6
Visible portion[%]: 37.8
IR portion[%]: 58.5
Metalicity : -0.0
Absolute Magnitude: 4.4
Apparent Magnitude: 13.9
Right Ascension(RA) 283.4782
Declination (DEC) 43.3838
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 722 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-876%20b/
Kepler-876 b
Kepler-876 b

  • Kepler-876 b is an exoplanet orbiting the star Kepler-876, located about 2679.1 light-years (821.4 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-876 has apparent magnitude of 13.9, with absolute magnitude of 4.4.
  • It is 0.8 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5135 with its spectral types of K1
  • In this planetary system, the extrasolar planet Kepler-876 b orbits around the star Kepler-876 every 5.1 days with its orbital distance of 0.05 AU ( 8132966.2 km)
  • (Projected orbit of Kepler-876 b around its host star Kepler-876)


  • The Star Kepler-876 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.491 AU ( 73406103.6 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.678 AU ( 101466418.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.034 AU ( 154612367.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.521 AU ( 227518871.5 km)
  • Radiation at Planetary Boundary of Kepler-876 b : 212865.76 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-876)



  • Kopparapu Recent Venus for Star Kepler-876 distance : 0.527 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-876 distance : 0.668 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-876 distance : 0.645 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-876 distance : 0.708 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-876 distance : 1.204 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-876 distance : 1.270 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-876)



  • Original Kopparapu Recent Venus for Star Kepler-876 distance : 0.522 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-876 distance : 0.688 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-876 distance : 0.691 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-876 distance : 1.224 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-876 distance : 1.273 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-876)



    (Position in Stellar Map of star Kepler-876 and its Exoplanet Kepler-876 b)



    (Zoomed position in Stellar Map of star Kepler-876 and its Exoplanet Kepler-876 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-876*)
    *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