Imaginary Picture of HD 190360 d

Display orbital revolution of HD 190360 d around the hoststar HD 190360
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Exoplanet Name : HD 190360 d
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.1973 (Rjup) 2.2121 (Rearth)
Mass (Mjup / Me): 0.0320 (Mjup) 10.1740 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.3947 (AU) 0.3947 (AU Est.)
Eccentricity : 0.1000
Orbital Period(Yrs) 0.2434
Orbital Period(Observed/Estimated) 88.90 (Days Obs.) 88.81 (Days Est.)
Surface Gravity (G Earth) 2.0792
Star Radiation at Atmospheric Boundary: 11052.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 457.6 (K)
Blackbody T 0.3(K) 429.8 (K)
Blackbody T 0.7(K) 347.7 (K)
Tidally Locked Blackbody T 0.1(K) 544.2 (K)
Tidally Locked Blackbody T 0.3(K) 511.1 (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 : HD 190360
Alternate Name :
Star Distance(LY) : 51.8
Stellar Radius(Rsun) : 1.2 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 12.1 (GY)
Temperature : 5588 (K)
Spectral type : G6 IV
UV portion[%]: 7.2
Visible portion[%]: 43.8
IR portion[%]: 49.0
Metalicity : 0.2
Absolute Magnitude: 4.7
Apparent Magnitude: 5.7
Right Ascension(RA) 300.9042
Declination (DEC) 29.8967
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 190360 d
HD 190360 d

  • HD 190360 d is an exoplanet orbiting the star HD 190360, located about 51.8 light-years (15.9 pc) away from Solar System. Its discovery was publicly announced on 2020.
  • The host star HD 190360 has apparent magnitude of 5.7, with absolute magnitude of 4.7.
  • It is 1.0 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 5588 with its spectral types of G6 IV
  • In this planetary system, the extrasolar planet HD 190360 d orbits around the star HD 190360 every 88.9 days with its orbital distance of 0.39 AU ( 59046279.6 km)
  • (Projected orbit of HD 190360 d around its host star HD 190360)


  • The Star HD 190360 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.812 AU ( 121437314.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.122 AU ( 167858103.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.710 AU ( 255778602.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.516 AU ( 376389419.1 km)
  • Radiation at Planetary Boundary of HD 190360 d : 11052.45 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 190360)



  • Kopparapu Recent Venus for Star HD 190360 distance : 0.851 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 190360 distance : 1.077 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 190360 distance : 1.041 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 190360 distance : 1.141 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 190360 distance : 1.913 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 190360 distance : 2.018 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 190360)



  • Original Kopparapu Recent Venus for Star HD 190360 distance : 0.849 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 190360 distance : 1.108 AU
  • Original Kopparapu Moist Greenhouse for Star HD 190360 distance : 1.123 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 190360 distance : 1.946 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 190360 distance : 2.024 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 190360)



    (Position in Stellar Map of star HD 190360 and its Exoplanet HD 190360 d)



    (Zoomed position in Stellar Map of star HD 190360 and its Exoplanet HD 190360 d (zoom level 3))

    (Synthetic Spectrum of star HD 190360*)
    *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