Imaginary Picture of Kepler-468 b

Display orbital revolution of Kepler-468 b around the hoststar Kepler-468
/
Exoplanet Name : Kepler-468 b
Alternate Name : "2MASS J19153653+4922137 b, K00125.01, KIC 11449844 b, KOI-125 b, KOI-125.01, WISE J191536.53+492213.5 b"
Status : Confirmed
Radius (Rjup / Re): 1.1900 (Rjup) 13.3387 (Rearth)
Mass (Mjup / Me): 1.6518 (Mjup) 525.1848 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.2200 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.1053
Orbital Period(Observed/Estimated) 38.48 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 2.9518
Star Radiation at Atmospheric Boundary: 15524.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 498.2 (K)
Blackbody T 0.3(K) 467.9 (K)
Blackbody T 0.7(K) 378.5 (K)
Tidally Locked Blackbody T 0.1(K) 592.5 (K)
Tidally Locked Blackbody T 0.3(K) 556.4 (K)
Size Class: 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-468
Alternate Name : "2MASS J19153653+4922137, KIC 11449844, KOI-125, WISE J191536.53+492213.5"
Star Distance(LY) : 1443.9
Stellar Radius(Rsun) : 0.8 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 2.0 (GY)
Temperature : 5515 (K)
Spectral type : G7
UV portion[%]: 6.9
Visible portion[%]: 43.2
IR portion[%]: 49.9
Metalicity : 0.1
Absolute Magnitude: 4.2
Apparent Magnitude: 12.5
Right Ascension(RA) 288.9022
Declination (DEC) 49.3705
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 428 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-468%20b/
Kepler-468 b
Kepler-468 b

  • Kepler-468 b is an exoplanet orbiting the star Kepler-468, located about 1443.9 light-years (442.7 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-468 has apparent magnitude of 12.5, with absolute magnitude of 4.2.
  • It is 1.0 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5515 with its spectral types of G7
  • In this planetary system, the extrasolar planet Kepler-468 b orbits around the star Kepler-468 every 38.5 days with its orbital distance of 0.22 AU ( 32918221.5 km)
  • (Projected orbit of Kepler-468 b around its host star Kepler-468)


  • The Star Kepler-468 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.536 AU ( 80236791.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.741 AU ( 110908213.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.130 AU ( 168999573.4 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.662 AU ( 248690275.7 km)
  • Radiation at Planetary Boundary of Kepler-468 b : 15524.36 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-468)



  • Kopparapu Recent Venus for Star Kepler-468 distance : 0.565 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-468 distance : 0.715 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-468 distance : 0.690 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-468 distance : 0.757 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-468 distance : 1.272 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-468 distance : 1.342 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-468)



  • Original Kopparapu Recent Venus for Star Kepler-468 distance : 0.563 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-468 distance : 0.735 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-468 distance : 0.744 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-468 distance : 1.294 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-468 distance : 1.346 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-468)



    (Position in Stellar Map of star Kepler-468 and its Exoplanet Kepler-468 b)



    (Zoomed position in Stellar Map of star Kepler-468 and its Exoplanet Kepler-468 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-468*)
    *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