Imaginary Picture of CoRoT-9 b

Display orbital revolution of CoRoT-9 b around the hoststar CoRoT-9
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Exoplanet Name : CoRoT-9 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9400 (Rjup) 10.5365 (Rearth)
Mass (Mjup / Me): 0.8400 (Mjup) 267.0679 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.4070 (AU) 0.4070 (AU Est.)
Eccentricity : 0.1330
Orbital Period(Yrs) 0.2608
Orbital Period(Observed/Estimated) 95.27 (Days Obs.) 95.32 (Days Est.)
Surface Gravity (G Earth) 2.4056
Star Radiation at Atmospheric Boundary: 6548.8 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 401.5 (K)
Blackbody T 0.3(K) 377.0 (K)
Blackbody T 0.7(K) 305.1 (K)
Tidally Locked Blackbody T 0.1(K) 477.5 (K)
Tidally Locked Blackbody T 0.3(K) 448.4 (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 : CoRoT-9
Alternate Name :
Star Distance(LY) : 1500.3
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 4.0 (GY)
Temperature : 5625 (K)
Spectral type : G3V
UV portion[%]: 7.4
Visible portion[%]: 44.0
IR portion[%]: 48.6
Metalicity : -0.0
Absolute Magnitude: 5.4
Apparent Magnitude: 13.7
Right Ascension(RA) 280.7867
Declination (DEC) 6.2042
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=CoRoT-9+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/CoRoT-9%20b/
CoRoT-9 b
CoRoT-9 b

  • CoRoT-9 b is an exoplanet orbiting the star CoRoT-9, located about 1500.3 light-years (460.0 pc) away from Solar System. Its discovery was publicly announced on 2010.
  • The host star CoRoT-9 has apparent magnitude of 13.7, with absolute magnitude of 5.4.
  • It is 1.0 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5625 with its spectral types of G3V
  • In this planetary system, the extrasolar planet CoRoT-9 b orbits around the star CoRoT-9 every 95.3 days with its orbital distance of 0.41 AU ( 60886333.4 km)
  • (Projected orbit of CoRoT-9 b around its host star CoRoT-9)


  • The Star CoRoT-9 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.644 AU ( 96389786.8 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.891 AU ( 133235875.0 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.357 AU ( 203021988.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.997 AU ( 298755749.9 km)
  • Radiation at Planetary Boundary of CoRoT-9 b : 6548.80 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star CoRoT-9)



  • Kopparapu Recent Venus for Star CoRoT-9 distance : 0.674 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star CoRoT-9 distance : 0.853 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star CoRoT-9 distance : 0.824 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star CoRoT-9 distance : 0.904 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star CoRoT-9 distance : 1.513 AU
  • Kopparapu Outer Boundary for Early Mars for Star CoRoT-9 distance : 1.596 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star CoRoT-9)



  • Original Kopparapu Recent Venus for Star CoRoT-9 distance : 0.673 AU
  • Original Kopparapu Runaway Greenhouse for Star CoRoT-9 distance : 0.877 AU
  • Original Kopparapu Moist Greenhouse for Star CoRoT-9 distance : 0.890 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star CoRoT-9 distance : 1.540 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star CoRoT-9 distance : 1.601 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star CoRoT-9)



    (Position in Stellar Map of star CoRoT-9 and its Exoplanet CoRoT-9 b)



    (Zoomed position in Stellar Map of star CoRoT-9 and its Exoplanet CoRoT-9 b (zoom level 3))

    (Synthetic Spectrum of star CoRoT-9*)
    *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