Imaginary Picture of HD 219077 b

Display orbital revolution of HD 219077 b around the hoststar HD 219077
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Exoplanet Name : HD 219077 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 13.4000 (Mjup) 4260.3692 (Mearth)
Semi Major Axis / Orbital Distance Calculated 7.0300 (AU) 7.0300 (AU Est.)
Eccentricity : 0.7680
Orbital Period(Yrs) 15.0934
Orbital Period(Observed/Estimated) 5513.00 (Days Obs.) 6643.98 (Days Est.)
Surface Gravity (G Earth) 41.1438
Star Radiation at Atmospheric Boundary: 21.9 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 96.6 (K)
Blackbody T 0.3(K) 90.7 (K)
Blackbody T 0.7(K) 73.4 (K)
Tidally Locked Blackbody T 0.1(K) 114.8 (K)
Tidally Locked Blackbody T 0.3(K) 107.9 (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 219077
Alternate Name :
Star Distance(LY) : 95.7
Stellar Radius(Rsun) : 1.0 (Rsun Estimated)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.5 (Msun Estimated)
Star Age : 8.9 (GY)
Temperature : 5362 (K)
Spectral type : G8V
UV portion[%]: 6.2
Visible portion[%]: 42.1
IR portion[%]: 51.7
Metalicity : -0.1
Absolute Magnitude: 3.8
Apparent Magnitude: 6.1
Right Ascension(RA) 348.5274
Declination (DEC) -62.7000
Hubble Space Telescope Guide Star Catalog (GSC) ID
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+219077+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/HD%20219077%20b/
HD 219077 b
HD 219077 b

  • HD 219077 b is an exoplanet orbiting the star HD 219077, located about 95.7 light-years (29.4 pc) away from Solar System. Its discovery was publicly announced on 2012.
  • The host star HD 219077 has apparent magnitude of 6.1, with absolute magnitude of 3.8.
  • It is 1.1 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5362 with its spectral types of G8V
  • In this planetary system, the extrasolar planet HD 219077 b orbits around the star HD 219077 every 5513.0 days with its orbital distance of 7.03 AU ( 1051673031.0 km)
  • (Projected orbit of HD 219077 b around its host star HD 219077)


  • The Star HD 219077 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.644 AU ( 96324901.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.890 AU ( 133146186.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.356 AU ( 202885322.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.996 AU ( 298554640.1 km)
  • Radiation at Planetary Boundary of HD 219077 b : 21.92 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 219077)



  • Kopparapu Recent Venus for Star HD 219077 distance : 0.684 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 219077 distance : 0.866 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 219077 distance : 0.836 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 219077 distance : 0.917 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 219077 distance : 1.548 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 219077 distance : 1.633 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 219077)



  • Original Kopparapu Recent Venus for Star HD 219077 distance : 0.680 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 219077 distance : 0.891 AU
  • Original Kopparapu Moist Greenhouse for Star HD 219077 distance : 0.899 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 219077 distance : 1.575 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 219077 distance : 1.638 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 219077)



    (Position in Stellar Map of star HD 219077 and its Exoplanet HD 219077 b)



    (Zoomed position in Stellar Map of star HD 219077 and its Exoplanet HD 219077 b (zoom level 3))

    (Synthetic Spectrum of star HD 219077*)
    *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