Imaginary Picture of HD 19615 b

Display orbital revolution of HD 19615 b around the hoststar HD 19615
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Exoplanet Name : HD 19615 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 8.6000 (Mjup) 2734.2668 (Mearth)
Semi Major Axis / Orbital Distance Calculated 1.1000 (AU) 1.1000 (AU Est.)
Eccentricity : 0.2000
Orbital Period(Yrs) 1.1006
Orbital Period(Observed/Estimated) 402.00 (Days Obs.) 401.78 (Days Est.)
Surface Gravity (G Earth) 26.4057
Star Radiation at Atmospheric Boundary: 267183.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1014.7 (K)
Blackbody T 0.3(K) 952.9 (K)
Blackbody T 0.7(K) 771.0 (K)
Tidally Locked Blackbody T 0.1(K) 1206.7 (K)
Tidally Locked Blackbody T 0.3(K) 1133.2 (K)
Size Class: Jupiter-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 19615
Alternate Name :
Star Distance(LY) : 864.8
Stellar Radius(Rsun) : 32.3 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 6.7 (GY)
Temperature : 3987 (K)
Spectral type : M0III
UV portion[%]: 0.7
Visible portion[%]: 24.2
IR portion[%]: 75.1
Metalicity : -0.3
Absolute Magnitude: -0.6
Apparent Magnitude: 6.6
Right Ascension(RA) 48.7814
Declination (DEC) 73.8681
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 19615 b
HD 19615 b

  • HD 19615 b is an exoplanet orbiting the star HD 19615, located about 864.8 light-years (265.2 pc) away from Solar System. Its discovery was publicly announced on 2022.
  • The host star HD 19615 has apparent magnitude of 6.6, with absolute magnitude of -0.6.
  • It is 1.1 times more massive and 32.3 times bigger compared with our Sun. The surface temperature is 3987 with its spectral types of M0III
  • In this planetary system, the extrasolar planet HD 19615 b orbits around the star HD 19615 every 402.0 days with its orbital distance of 1.10 AU ( 164557657.8 km)
  • (Projected orbit of HD 19615 b around its host star HD 19615)


  • The Star HD 19615 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 11.123 AU ( 1663999173.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 15.375 AU ( 2300081712.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 23.428 AU ( 3504815522.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 34.476 AU ( 5157489577.1 km)
  • Radiation at Planetary Boundary of HD 19615 b : 267183.37 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 19615)



  • Kopparapu Recent Venus for Star HD 19615 distance : 12.465 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 19615 distance : 15.777 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 19615 distance : 15.237 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 19615 distance : 16.749 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 19615 distance : 29.960 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 19615 distance : 31.606 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 19615)



  • Original Kopparapu Recent Venus for Star HD 19615 distance : 12.314 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 19615 distance : 16.314 AU
  • Original Kopparapu Moist Greenhouse for Star HD 19615 distance : 16.294 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 19615 distance : 30.439 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 19615 distance : 31.656 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 19615)



    (Position in Stellar Map of star HD 19615 and its Exoplanet HD 19615 b)



    (Zoomed position in Stellar Map of star HD 19615 and its Exoplanet HD 19615 b (zoom level 3))

    (Synthetic Spectrum of star HD 19615*)
    *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