Imaginary Picture of Kepler-623 b

Display orbital revolution of Kepler-623 b around the hoststar Kepler-623
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Exoplanet Name : Kepler-623 b
Alternate Name : "2MASS J19475681+4728386 b, K00618.01, KIC 10353968 b, KOI-618 b, KOI-618.01, WISE J194756.74+472837.9 b"
Status : Confirmed
Radius (Rjup / Re): 0.2690 (Rjup) 3.0152 (Rearth)
Mass (Mjup / Me): 0.0232 (Mjup) 7.3634 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0822 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0248
Orbital Period(Observed/Estimated) 9.07 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 0.8099
Star Radiation at Atmospheric Boundary: 113586.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 819.4 (K)
Blackbody T 0.3(K) 769.5 (K)
Blackbody T 0.7(K) 622.6 (K)
Tidally Locked Blackbody T 0.1(K) 974.4 (K)
Tidally Locked Blackbody T 0.3(K) 915.1 (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-623
Alternate Name : "2MASS J19475681+4728386, KIC 10353968, KOI-618, WISE J194756.74+472837.9"
Star Distance(LY) : 2406.1
Stellar Radius(Rsun) : 0.8 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 4.5 (GY)
Temperature : 5681 (K)
Spectral type : G7
UV portion[%]: 6.6
Visible portion[%]: 42.8
IR portion[%]: 50.6
Metalicity : -0.0
Absolute Magnitude: 4.4
Apparent Magnitude: 13.7
Right Ascension(RA) 296.9867
Declination (DEC) 47.4774
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 543 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-623%20b/
Kepler-623 b
Kepler-623 b

  • Kepler-623 b is an exoplanet orbiting the star Kepler-623, located about 2406.1 light-years (737.7 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-623 has apparent magnitude of 13.7, with absolute magnitude of 4.4.
  • It is 0.9 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5681 with its spectral types of G7
  • In this planetary system, the extrasolar planet Kepler-623 b orbits around the star Kepler-623 every 9.1 days with its orbital distance of 0.08 AU ( 12294630.7 km)
  • (Projected orbit of Kepler-623 b around its host star Kepler-623)


  • The Star Kepler-623 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.542 AU ( 81060521.5 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.749 AU ( 112046824.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.141 AU ( 170734564.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.679 AU ( 251243391.0 km)
  • Radiation at Planetary Boundary of Kepler-623 b : 113586.63 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-623)



  • Kopparapu Recent Venus for Star Kepler-623 distance : 0.565 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-623 distance : 0.715 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-623 distance : 0.691 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-623 distance : 0.758 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-623 distance : 1.267 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-623 distance : 1.336 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-623)



  • Original Kopparapu Recent Venus for Star Kepler-623 distance : 0.565 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-623 distance : 0.735 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-623 distance : 0.747 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-623 distance : 1.289 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-623 distance : 1.340 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-623)



    (Position in Stellar Map of star Kepler-623 and its Exoplanet Kepler-623 b)



    (Zoomed position in Stellar Map of star Kepler-623 and its Exoplanet Kepler-623 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-623*)
    *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