Imaginary Picture of CoRoT-23 b

Display orbital revolution of CoRoT-23 b around the hoststar CoRoT-23
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Exoplanet Name : CoRoT-23 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 1.0800 (Rjup) 12.1057 (Rearth)
Mass (Mjup / Me): 2.8000 (Mjup) 890.2264 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0477 (AU) 0.0477 (AU Est.)
Eccentricity : 0.1600
Orbital Period(Yrs) 0.0099
Orbital Period(Observed/Estimated) 3.63 (Days Obs.) 3.56 (Days Est.)
Surface Gravity (G Earth) 6.0746
Star Radiation at Atmospheric Boundary: 1692886.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1609.9 (K)
Blackbody T 0.3(K) 1511.9 (K)
Blackbody T 0.7(K) 1223.3 (K)
Tidally Locked Blackbody T 0.1(K) 1914.5 (K)
Tidally Locked Blackbody T 0.3(K) 1797.9 (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 : CoRoT-23
Alternate Name :
Star Distance(LY) : 1956.9
Stellar Radius(Rsun) : 1.6 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 7.2 (GY)
Temperature : 5900 (K)
Spectral type : G0V
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.1
Absolute Magnitude: 6.7
Apparent Magnitude: 15.6
Right Ascension(RA) 279.7827
Declination (DEC) 4.3578
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors CUTRI R.M.; SKRUTSKIE M.F.; VAN DYK S.; BEICHMAN C.A.; CARPENTER J.M.; CHESTER T.; CAMBRESY L.; EVANS T.; FOWLER J.; GIZIS J.; HOWARD E.; HUCHRA J.; JARRETT T.; KOPAN E.L.; KIRKPATRICK J.D.; LIGHT R.M.; MARSH K.A.; McCALLON H.; SCHNEIDER S.; STIENING R.; SYKES M.; WEINBERG M.; WHEATON W.A.; WHEELOCK S.; ZACARIAS N.
Discovery Paper - Title 2MASS All Sky Catalog of point sources.
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=CoRoT-23+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/CoRoT-23%20b/
CoRoT-23 b
CoRoT-23 b

  • CoRoT-23 b is an exoplanet orbiting the star CoRoT-23, located about 1956.9 light-years (600.0 pc) away from Solar System. Its discovery was publicly announced on 2011.
  • The host star CoRoT-23 has apparent magnitude of 15.6, with absolute magnitude of 6.7.
  • It is 1.1 times more massive and 1.6 times bigger compared with our Sun. The surface temperature is 5900 with its spectral types of G0V
  • In this planetary system, the extrasolar planet CoRoT-23 b orbits around the star CoRoT-23 every 3.6 days with its orbital distance of 0.05 AU ( 7135818.4 km)
  • (Projected orbit of CoRoT-23 b around its host star CoRoT-23)


  • The Star CoRoT-23 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.214 AU ( 181630179.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.678 AU ( 251060373.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.557 AU ( 382560449.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.763 AU ( 562954460.6 km)
  • Radiation at Planetary Boundary of CoRoT-23 b : 1692886.54 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star CoRoT-23)



  • Kopparapu Recent Venus for Star CoRoT-23 distance : 1.249 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star CoRoT-23 distance : 1.582 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star CoRoT-23 distance : 1.528 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star CoRoT-23 distance : 1.675 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star CoRoT-23 distance : 2.785 AU
  • Kopparapu Outer Boundary for Early Mars for Star CoRoT-23 distance : 2.937 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star CoRoT-23)



  • Original Kopparapu Recent Venus for Star CoRoT-23 distance : 1.254 AU
  • Original Kopparapu Runaway Greenhouse for Star CoRoT-23 distance : 1.625 AU
  • Original Kopparapu Moist Greenhouse for Star CoRoT-23 distance : 1.659 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star CoRoT-23 distance : 2.834 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star CoRoT-23 distance : 2.947 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star CoRoT-23)



    (Position in Stellar Map of star CoRoT-23 and its Exoplanet CoRoT-23 b)



    (Zoomed position in Stellar Map of star CoRoT-23 and its Exoplanet CoRoT-23 b (zoom level 3))

    (Synthetic Spectrum of star CoRoT-23*)
    *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