Imaginary Picture of KIC 10544976 (AB) b

Display orbital revolution of KIC 10544976 (AB) b around the hoststar KIC 10544976 (AB)
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Exoplanet Name : KIC 10544976 (AB) b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 13.4000 (Mjup) 4260.3692 (Mearth)
Semi Major Axis / Orbital Distance Calculated 6.5600 (AU) 6.5600 (AU Est.)
Eccentricity : 0.2900
Orbital Period(Yrs) 16.7990
Orbital Period(Observed/Estimated) 6136.00 (Days Obs.) 6046.82 (Days Est.)
Surface Gravity (G Earth) 41.1438
Star Radiation at Atmospheric Boundary: 31.8 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 106.0 (K)
Blackbody T 0.3(K) 99.5 (K)
Blackbody T 0.7(K) 80.5 (K)
Tidally Locked Blackbody T 0.1(K) 126.0 (K)
Tidally Locked Blackbody T 0.3(K) 118.3 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Timing
Mass Detection : Timing
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : KIC 10544976 (AB)
Alternate Name :
Star Distance(LY) : 1493.8
Stellar Radius(Rsun) : 1.1 (Rsun Estimated)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5500 (K)
Spectral type : DA+M4V
UV portion[%]: 6.9
Visible portion[%]: 43.2
IR portion[%]: 49.9
Metalicity : 0.0
Absolute Magnitude: 10.7
Apparent Magnitude: 19.0
Right Ascension(RA) 295.6542
Declination (DEC) 47.7633
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
KIC 10544976 (AB) b
KIC 10544976 (AB) b

  • KIC 10544976 (AB) b is an exoplanet orbiting the star KIC 10544976 (AB), located about 1493.8 light-years (458.0 pc) away from Solar System. Its discovery was publicly announced on 2019.
  • The host star KIC 10544976 (AB) has apparent magnitude of 19.0, with absolute magnitude of 10.7.
  • It is 1.0 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5500 with its spectral types of DA+M4V
  • In this planetary system, the extrasolar planet KIC 10544976 (AB) b orbits around the star KIC 10544976 (AB) every 6136.0 days with its orbital distance of 6.56 AU ( 981362031.8 km)
  • (Projected orbit of KIC 10544976 (AB) b around its host star KIC 10544976 (AB))


  • The Star KIC 10544976 (AB) 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.723 AU ( 108196493.8 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.000 AU ( 149555829.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.523 AU ( 227889987.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.242 AU ( 335350100.1 km)
  • Radiation at Planetary Boundary of KIC 10544976 (AB) b : 31.76 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star KIC 10544976 (AB))



  • Kopparapu Recent Venus for Star KIC 10544976 (AB) distance : 0.762 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star KIC 10544976 (AB) distance : 0.965 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star KIC 10544976 (AB) distance : 0.932 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star KIC 10544976 (AB) distance : 1.022 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star KIC 10544976 (AB) distance : 1.718 AU
  • Kopparapu Outer Boundary for Early Mars for Star KIC 10544976 (AB) distance : 1.812 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star KIC 10544976 (AB))



  • Original Kopparapu Recent Venus for Star KIC 10544976 (AB) distance : 0.759 AU
  • Original Kopparapu Runaway Greenhouse for Star KIC 10544976 (AB) distance : 0.992 AU
  • Original Kopparapu Moist Greenhouse for Star KIC 10544976 (AB) distance : 1.004 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star KIC 10544976 (AB) distance : 1.747 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star KIC 10544976 (AB) distance : 1.817 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star KIC 10544976 (AB))



    (Position in Stellar Map of star KIC 10544976 (AB) and its Exoplanet KIC 10544976 (AB) b)



    (Zoomed position in Stellar Map of star KIC 10544976 (AB) and its Exoplanet KIC 10544976 (AB) b (zoom level 3))

    (Synthetic Spectrum of star KIC 10544976 (AB)*)
    *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