Imaginary Picture of HD 10180 g

Display orbital revolution of HD 10180 g around the hoststar HD 10180
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Exoplanet Name : HD 10180 g
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.2342 (Rjup) 2.6248 (Rearth)
Mass (Mjup / Me): 0.0673 (Mjup) 21.4073 (Mearth)
Semi Major Axis / Orbital Distance Calculated 1.4220 (AU) 1.4220 (AU Est.)
Eccentricity : 0.1900
Orbital Period(Yrs) 1.6460
Orbital Period(Observed/Estimated) 601.20 (Days Obs.) 601.57 (Days Est.)
Surface Gravity (G Earth) 3.1071
Star Radiation at Atmospheric Boundary: 801.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 237.5 (K)
Blackbody T 0.3(K) 223.0 (K)
Blackbody T 0.7(K) 180.4 (K)
Tidally Locked Blackbody T 0.1(K) 282.4 (K)
Tidally Locked Blackbody T 0.3(K) 265.2 (K)
Size Class: sub-Neptune-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Habitable
Habitability by Kopparapu: Not habitable
Star Name : HD 10180
Alternate Name :
Star Distance(LY) : 126.8
Stellar Radius(Rsun) : 1.0 (Rsun Estimated)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 4.3 (GY)
Temperature : 5911 (K)
Spectral type : G1V
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : 0.1
Absolute Magnitude: 4.4
Apparent Magnitude: 7.3
Right Ascension(RA) 24.4732
Declination (DEC) -60.5117
Hubble Space Telescope Guide Star Catalog (GSC) ID 08850-01715
Discovered by
Discovery Paper - Authors 0
Discovery Paper - Title
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+10180+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%2010180%20g/
HD 10180 g
HD 10180 g

  • HD 10180 g is an exoplanet orbiting the star HD 10180, located about 126.8 light-years (38.9 pc) away from Solar System. Its discovery was publicly announced on 2010.
  • The host star HD 10180 has apparent magnitude of 7.3, with absolute magnitude of 4.4.
  • It is 1.1 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5911 with its spectral types of G1V
  • In this planetary system, the extrasolar planet HD 10180 g orbits around the star HD 10180 every 601.2 days with its orbital distance of 1.42 AU ( 212728172.1 km)
  • (Projected orbit of HD 10180 g around its host star HD 10180)


  • The Star HD 10180 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.788 AU ( 117824501.1 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.089 AU ( 162864251.7 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.659 AU ( 248169077.8 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.441 AU ( 365191669.5 km)
  • Radiation at Planetary Boundary of HD 10180 g : 801.61 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 10180)



  • Kopparapu Recent Venus for Star HD 10180 distance : 0.810 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 10180 distance : 1.025 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 10180 distance : 0.990 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 10180 distance : 1.086 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 10180 distance : 1.805 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 10180 distance : 1.904 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 10180)



  • Original Kopparapu Recent Venus for Star HD 10180 distance : 0.813 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 10180 distance : 1.053 AU
  • Original Kopparapu Moist Greenhouse for Star HD 10180 distance : 1.076 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 10180 distance : 1.837 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 10180 distance : 1.910 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 10180)



    (Position in Stellar Map of star HD 10180 and its Exoplanet HD 10180 g)



    (Zoomed position in Stellar Map of star HD 10180 and its Exoplanet HD 10180 g (zoom level 3))

    (Synthetic Spectrum of star HD 10180*)
    *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