Imaginary Picture of Kepler-673 b

Display orbital revolution of Kepler-673 b around the hoststar Kepler-673
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Exoplanet Name : Kepler-673 b
Alternate Name : "2MASS J19230858+5003148 b, K00776.01, KIC 11812062 b, KOI-776 b, KOI-776.01, WISE J192308.57+500314.6 b"
Status : Confirmed
Radius (Rjup / Re): 0.5830 (Rjup) 6.5348 (Rearth)
Mass (Mjup / Me): 0.1942 (Mjup) 61.7557 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0451 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0102
Orbital Period(Observed/Estimated) 3.73 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.4461
Star Radiation at Atmospheric Boundary: 352404.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1087.4 (K)
Blackbody T 0.3(K) 1021.2 (K)
Blackbody T 0.7(K) 826.3 (K)
Tidally Locked Blackbody T 0.1(K) 1293.2 (K)
Tidally Locked Blackbody T 0.3(K) 1214.4 (K)
Size Class: sub-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-673
Alternate Name : "2MASS J19230858+5003148, KIC 11812062, KOI-776, WISE J192308.57+500314.6"
Star Distance(LY) : 2995.8
Stellar Radius(Rsun) : 0.8 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 4.5 (GY)
Temperature : 5504 (K)
Spectral type : G7
UV portion[%]: 6.9
Visible portion[%]: 43.2
IR portion[%]: 49.8
Metalicity : 0.0
Absolute Magnitude: 4.4
Apparent Magnitude: 14.2
Right Ascension(RA) 290.7858
Declination (DEC) 50.0541
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 578 LIKELY FALSE POSITIVES
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-673+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-673%20b/
Kepler-673 b
Kepler-673 b

  • Kepler-673 b is an exoplanet orbiting the star Kepler-673, located about 2995.8 light-years (918.5 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star Kepler-673 has apparent magnitude of 14.2, 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 5504 with its spectral types of G7
  • In this planetary system, the extrasolar planet Kepler-673 b orbits around the star Kepler-673 every 3.7 days with its orbital distance of 0.05 AU ( 6746318.8 km)
  • (Projected orbit of Kepler-673 b around its host star Kepler-673)


  • The Star Kepler-673 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.524 AU ( 78346185.1 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.724 AU ( 108294902.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.103 AU ( 165017465.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.623 AU ( 242830429.0 km)
  • Radiation at Planetary Boundary of Kepler-673 b : 352404.46 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-673)



  • Kopparapu Recent Venus for Star Kepler-673 distance : 0.552 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-673 distance : 0.699 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-673 distance : 0.675 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-673 distance : 0.740 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-673 distance : 1.243 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-673 distance : 1.311 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-673)



  • Original Kopparapu Recent Venus for Star Kepler-673 distance : 0.550 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-673 distance : 0.718 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-673 distance : 0.727 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-673 distance : 1.265 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-673 distance : 1.315 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-673)



    (Position in Stellar Map of star Kepler-673 and its Exoplanet Kepler-673 b)



    (Zoomed position in Stellar Map of star Kepler-673 and its Exoplanet Kepler-673 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-673*)
    *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