Imaginary Picture of HD 206893 c

Display orbital revolution of HD 206893 c around the hoststar HD 206893
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Exoplanet Name : HD 206893 c
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 1.4600 (Rjup) 16.3651 (Rearth)
Mass (Mjup / Me): 12.7000 (Mjup) 4037.8126 (Mearth)
Semi Major Axis / Orbital Distance Calculated 3.5300 (AU) 3.5300 (AU Est.)
Eccentricity : 0.4100
Orbital Period(Yrs) 5.7000
Orbital Period(Observed/Estimated) 2082.00 (Days Obs.) 2175.41 (Days Est.)
Surface Gravity (G Earth) 15.0767
Star Radiation at Atmospheric Boundary: 235.2 (W/m2)
Measured Temperature (K) 1181.9 (K)
Blackbody T 0.1(K) 174.8 (K)
Blackbody T 0.3(K) 164.1 (K)
Blackbody T 0.7(K) 132.8 (K)
Tidally Locked Blackbody T 0.1(K) 207.9 (K)
Tidally Locked Blackbody T 0.3(K) 195.2 (K)
Size Class: Super-Jupiter-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection : Radial Velocity
Radius Detection : Flux
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : HD 206893
Alternate Name :
Star Distance(LY) : 125.0
Stellar Radius(Rsun) : 1.2 (Rsun Estimated)
Stellar Mass(Msun) : 1.2 (Msun Measured) 1.4 (Msun Estimated)
Star Age : 1.1 (GY)
Temperature : 6486 (K)
Spectral type : F5V
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : 0.0
Absolute Magnitude: 3.8
Apparent Magnitude: 6.7
Right Ascension(RA) 326.3417
Declination (DEC) -12.7833
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK
Open Exoplanet Database Link
HD 206893 c
HD 206893 c

  • HD 206893 c is an exoplanet orbiting the star HD 206893, located about 125.0 light-years (38.3 pc) away from Solar System. Its discovery was publicly announced on 2019.
  • The host star HD 206893 has apparent magnitude of 6.7, with absolute magnitude of 3.8.
  • It is 1.2 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 6486 with its spectral types of F5V
  • In this planetary system, the extrasolar planet HD 206893 c orbits around the star HD 206893 every 2082.0 days with its orbital distance of 3.53 AU ( 528080483.6 km)
  • (Projected orbit of HD 206893 c around its host star HD 206893)


  • The Star HD 206893 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.059 AU ( 158440592.6 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.464 AU ( 219006304.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.231 AU ( 333717142.0 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 3.283 AU ( 491079393.7 km)
  • Radiation at Planetary Boundary of HD 206893 c : 235.22 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 206893)



  • Kopparapu Recent Venus for Star HD 206893 distance : 1.052 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 206893 distance : 1.332 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 206893 distance : 1.286 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 206893 distance : 1.410 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 206893 distance : 2.318 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 206893 distance : 2.445 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 206893)



  • Original Kopparapu Recent Venus for Star HD 206893 distance : 1.069 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 206893 distance : 1.366 AU
  • Original Kopparapu Moist Greenhouse for Star HD 206893 distance : 1.415 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 206893 distance : 2.360 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 206893 distance : 2.454 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 206893)



    (Position in Stellar Map of star HD 206893 and its Exoplanet HD 206893 c)



    (Zoomed position in Stellar Map of star HD 206893 and its Exoplanet HD 206893 c (zoom level 3))

    (Synthetic Spectrum of star HD 206893*)
    *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