Imaginary Picture of Kepler-968 b

Display orbital revolution of Kepler-968 b around the hoststar Kepler-968
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Exoplanet Name : Kepler-968 b
Alternate Name : "2MASS J19022460+5006433 b, K01833.01, KIC 11853878 b, KOI-1833 b, KOI-1833.01, WISE J190224.61+500643.3 b"
Status : Confirmed
Radius (Rjup / Re): 0.1780 (Rjup) 1.9952 (Rearth)
Mass (Mjup / Me): 0.0158 (Mjup) 5.0153 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0427 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0101
Orbital Period(Observed/Estimated) 3.69 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.2599
Star Radiation at Atmospheric Boundary: 117997.9 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 827.2 (K)
Blackbody T 0.3(K) 776.8 (K)
Blackbody T 0.7(K) 628.5 (K)
Tidally Locked Blackbody T 0.1(K) 983.7 (K)
Tidally Locked Blackbody T 0.3(K) 923.8 (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-968
Alternate Name : "2MASS J19022460+5006433, KIC 11853878, KOI-1833, WISE J190224.61+500643.3"
Star Distance(LY) : 946.7
Stellar Radius(Rsun) : 0.7 (Rsun Measured)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.8 (Msun Estimated)
Star Age : 2.1 (GY)
Temperature : 4399 (K)
Spectral type : K4
UV portion[%]: 1.9
Visible portion[%]: 32.7
IR portion[%]: 65.4
Metalicity : 0.1
Absolute Magnitude: 5.2
Apparent Magnitude: 12.5
Right Ascension(RA) 285.6025
Declination (DEC) 50.1120
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 772 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-968&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-968%20b/
Kepler-968 b
Kepler-968 b

  • Kepler-968 b is an exoplanet orbiting the star Kepler-968, located about 946.7 light-years (290.2 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-968 has apparent magnitude of 12.5, with absolute magnitude of 5.2.
  • It is 0.8 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4399 with its spectral types of K4
  • In this planetary system, the extrasolar planet Kepler-968 b orbits around the star Kepler-968 every 3.7 days with its orbital distance of 0.04 AU ( 6383439.1 km)
  • (Projected orbit of Kepler-968 b around its host star Kepler-968)


  • The Star Kepler-968 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.287 AU ( 42896527.6 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.396 AU ( 59294211.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.604 AU ( 90351256.3 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.889 AU ( 132955831.7 km)
  • Radiation at Planetary Boundary of Kepler-968 b : 117997.89 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-968)



  • Kopparapu Recent Venus for Star Kepler-968 distance : 0.318 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-968 distance : 0.402 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-968 distance : 0.389 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-968 distance : 0.427 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-968 distance : 0.749 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-968 distance : 0.790 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-968)



  • Original Kopparapu Recent Venus for Star Kepler-968 distance : 0.314 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-968 distance : 0.415 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-968 distance : 0.415 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-968 distance : 0.761 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-968 distance : 0.791 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-968)



    (Position in Stellar Map of star Kepler-968 and its Exoplanet Kepler-968 b)



    (Zoomed position in Stellar Map of star Kepler-968 and its Exoplanet Kepler-968 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-968*)
    *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