Imaginary Picture of HD 202206 (AB) c

Display orbital revolution of HD 202206 (AB) c around the hoststar HD 202206 A
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Exoplanet Name : HD 202206 (AB) c
Alternate Name : HD 202206 c
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 17.9000 (Mjup) 5691.0902 (Mearth)
Semi Major Axis / Orbital Distance Calculated 2.4100 (AU) 2.4100 (AU Est.)
Eccentricity : 0.2200
Orbital Period(Yrs) 3.4496
Orbital Period(Observed/Estimated) 1260.00 (Days Obs.) 1285.51 (Days Est.)
Surface Gravity (G Earth) 54.9608
Star Radiation at Atmospheric Boundary: 240.1 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 175.7 (K)
Blackbody T 0.3(K) 165.0 (K)
Blackbody T 0.7(K) 133.5 (K)
Tidally Locked Blackbody T 0.1(K) 208.9 (K)
Tidally Locked Blackbody T 0.3(K) 196.2 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection : Astrometry
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : HD 202206 A
Alternate Name :
Star Distance(LY) : 148.5
Stellar Radius(Rsun) : 1.0 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.2 (Msun Estimated)
Star Age : 2.0 (GY)
Temperature : 5750 (K)
Spectral type : G8 V
UV portion[%]: 7.7
Visible portion[%]: 44.6
IR portion[%]: 47.6
Metalicity : 0.4
Absolute Magnitude: 4.8
Apparent Magnitude: 8.1
Right Ascension(RA) 318.7375
Declination (DEC) -20.7892
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors 0
Discovery Paper - Title
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%20202206%20c/
HD 202206 (AB) c
HD 202206 (AB) c

  • HD 202206 (AB) c is an exoplanet orbiting the star HD 202206 A, located about 148.5 light-years (45.5 pc) away from Solar System. Its discovery was publicly announced on 2004.
  • The host star HD 202206 A has apparent magnitude of 8.1, with absolute magnitude of 4.8.
  • It is 1.1 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5750 with its spectral types of G8 V
  • In this planetary system, the extrasolar planet HD 202206 (AB) c orbits around the star HD 202206 A every 1260.0 days with its orbital distance of 2.41 AU ( 360530868.4 km)
  • (Projected orbit of HD 202206 (AB) c around its host star HD 202206 A)


  • The Star HD 202206 A 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.731 AU ( 109293409.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.010 AU ( 151072053.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.539 AU ( 230200377.3 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.264 AU ( 338749939.6 km)
  • Radiation at Planetary Boundary of HD 202206 (AB) c : 240.13 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 202206 A)



  • Kopparapu Recent Venus for Star HD 202206 A distance : 0.758 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 202206 A distance : 0.961 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 202206 A distance : 0.928 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 202206 A distance : 1.017 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 202206 A distance : 1.697 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 202206 A distance : 1.790 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 202206 A)



  • Original Kopparapu Recent Venus for Star HD 202206 A distance : 0.759 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 202206 A distance : 0.987 AU
  • Original Kopparapu Moist Greenhouse for Star HD 202206 A distance : 1.004 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 202206 A distance : 1.727 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 202206 A distance : 1.796 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 202206 A)



    (Position in Stellar Map of star HD 202206 A and its Exoplanet HD 202206 (AB) c)



    (Zoomed position in Stellar Map of star HD 202206 A and its Exoplanet HD 202206 (AB) c (zoom level 3))

    (Synthetic Spectrum of star HD 202206 A*)
    *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