Imaginary Picture of XO-6 b

Display orbital revolution of XO-6 b around the hoststar XO-6
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Exoplanet Name : XO-6 b
Alternate Name :
Radius (Rjup / Re): 2.0700 (Rjup) 23.2026 (Rearth)
Mass (Mjup / Me): 1.9000 (Mjup) 604.0822 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0815 (AU) 0.0815 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0103
Orbital Period(Observed/Estimated) 3.77 (Days Obs.) 7.01 (Days Est.)
Surface Gravity (G Earth) 1.1221
Star Radiation at Atmospheric Boundary: 1402430.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1535.9 (K)
Blackbody T 0.3(K) 1442.4 (K)
Blackbody T 0.7(K) 1167.0 (K)
Tidally Locked Blackbody T 0.1(K) 1826.5 (K)
Tidally Locked Blackbody T 0.3(K) 1715.3 (K)
Size Class: Sub-Star-size
Mass Class:
Detection Type : Primary Transit
Mass Detection : Radial Velocity
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : XO-6
Alternate Name : TYC 4357-995-1
Star Distance(LY) : 280.5
Stellar Radius(Rsun) : 1.9 (Rsun Measured)
Stellar Mass(Msun) : 1.5 (Msun Measured) 5.1 (Msun Estimated)
Star Age : 1.9 (GY)
Temperature : 6720 (K)
Spectral type : F5
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : -0.1
Absolute Magnitude: 5.6
Apparent Magnitude: 10.2
Right Ascension(RA) 94.7917
Declination (DEC) 73.8278
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK
Open Exoplanet Database Link
XO-6 b
XO-6 b

  • XO-6 b is an exoplanet orbiting the star XO-6, located about 280.5 light-years (86.0 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star XO-6 has apparent magnitude of 10.2, with absolute magnitude of 5.6.
  • It is 1.5 times more massive and 1.9 times bigger compared with our Sun. The surface temperature is 6720 with its spectral types of F5
  • In this planetary system, the extrasolar planet XO-6 b orbits around the star XO-6 every 3.8 days with its orbital distance of 0.08 AU ( 12192226.5 km)
  • (Projected orbit of XO-6 b around its host star XO-6)


  • The Star XO-6 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.888 AU ( 282458057.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.610 AU ( 390430850.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 3.977 AU ( 594930213.4 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 5.852 AU ( 875465871.3 km)
  • Radiation at Planetary Boundary of XO-6 b : 1402430.36 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star XO-6)



  • Kopparapu Recent Venus for Star XO-6 distance : 1.851 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star XO-6 distance : 2.344 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star XO-6 distance : 2.263 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star XO-6 distance : 2.479 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star XO-6 distance : 4.065 AU
  • Kopparapu Outer Boundary for Early Mars for Star XO-6 distance : 4.287 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star XO-6)



  • Original Kopparapu Recent Venus for Star XO-6 distance : 1.891 AU
  • Original Kopparapu Runaway Greenhouse for Star XO-6 distance : 2.401 AU
  • Original Kopparapu Moist Greenhouse for Star XO-6 distance : 2.502 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star XO-6 distance : 4.139 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star XO-6 distance : 4.305 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star XO-6)



    (Position in Stellar Map of star XO-6 and its Exoplanet XO-6 b)



    (Zoomed position in Stellar Map of star XO-6 and its Exoplanet XO-6 b (zoom level 3))

    (Synthetic Spectrum of star XO-6*)
    *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