Imaginary Picture of CoRoT-7 c

Display orbital revolution of CoRoT-7 c around the hoststar CoRoT-7
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Exoplanet Name : CoRoT-7 c
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.2099 (Rjup) 2.3524 (Rearth)
Mass (Mjup / Me): 0.0418 (Mjup) 13.2936 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0460 (AU) 0.0460 (AU Est.)
Eccentricity : 0.1200
Orbital Period(Yrs) 0.0101
Orbital Period(Observed/Estimated) 3.70 (Days Obs.) 3.74 (Days Est.)
Surface Gravity (G Earth) 2.4023
Star Radiation at Atmospheric Boundary: 349532.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1085.2 (K)
Blackbody T 0.3(K) 1019.1 (K)
Blackbody T 0.7(K) 824.6 (K)
Tidally Locked Blackbody T 0.1(K) 1290.5 (K)
Tidally Locked Blackbody T 0.3(K) 1212.0 (K)
Size Class: sub-Neptune-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection : Radial Velocity
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : CoRoT-7
Alternate Name :
Star Distance(LY) : 489.2
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 1.5 (GY)
Temperature : 5313 (K)
Spectral type : K0V
UV portion[%]: 5.9
Visible portion[%]: 41.6
IR portion[%]: 52.5
Metalicity : 0.0
Absolute Magnitude: 5.8
Apparent Magnitude: 11.7
Right Ascension(RA) 100.9561
Declination (DEC) -1.0628
Hubble Space Telescope Guide Star Catalog (GSC) ID 04799-01733
Discovered by
Discovery Paper - Authors CUTRI R.M.; SKRUTSKIE M.F.; VAN DYK S. et al.
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-7+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/CoRoT-7%20b/
CoRoT-7 c
CoRoT-7 c

  • CoRoT-7 c is an exoplanet orbiting the star CoRoT-7, located about 489.2 light-years (150.0 pc) away from Solar System. Its discovery was publicly announced on 2009.
  • The host star CoRoT-7 has apparent magnitude of 11.7, with absolute magnitude of 5.8.
  • It is 0.9 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5313 with its spectral types of K0V
  • In this planetary system, the extrasolar planet CoRoT-7 c orbits around the star CoRoT-7 every 3.7 days with its orbital distance of 0.05 AU ( 6881502.1 km)
  • (Projected orbit of CoRoT-7 c around its host star CoRoT-7)


  • The Star CoRoT-7 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.532 AU ( 79589723.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.735 AU ( 110013797.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.121 AU ( 167636681.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.649 AU ( 246684720.1 km)
  • Radiation at Planetary Boundary of CoRoT-7 c : 349531.98 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star CoRoT-7)



  • Kopparapu Recent Venus for Star CoRoT-7 distance : 0.566 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star CoRoT-7 distance : 0.717 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star CoRoT-7 distance : 0.693 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star CoRoT-7 distance : 0.760 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star CoRoT-7 distance : 1.285 AU
  • Kopparapu Outer Boundary for Early Mars for Star CoRoT-7 distance : 1.355 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star CoRoT-7)



  • Original Kopparapu Recent Venus for Star CoRoT-7 distance : 0.563 AU
  • Original Kopparapu Runaway Greenhouse for Star CoRoT-7 distance : 0.738 AU
  • Original Kopparapu Moist Greenhouse for Star CoRoT-7 distance : 0.744 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star CoRoT-7 distance : 1.307 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star CoRoT-7 distance : 1.359 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star CoRoT-7)



    (Position in Stellar Map of star CoRoT-7 and its Exoplanet CoRoT-7 c)



    (Zoomed position in Stellar Map of star CoRoT-7 and its Exoplanet CoRoT-7 c (zoom level 3))

    (Synthetic Spectrum of star CoRoT-7*)
    *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