Imaginary Picture of HD 77065 b

Display orbital revolution of HD 77065 b around the hoststar HD 77065
/
Exoplanet Name : HD 77065 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 41.0000 (Mjup) 13035.4580 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.4380 (AU) 0.4380 (AU Est.)
Eccentricity : 0.6940
Orbital Period(Yrs) 0.3261
Orbital Period(Observed/Estimated) 119.11 (Days Obs.) 122.26 (Days Est.)
Surface Gravity (G Earth) 125.8878
Star Radiation at Atmospheric Boundary: 1650.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 284.5 (K)
Blackbody T 0.3(K) 267.1 (K)
Blackbody T 0.7(K) 216.1 (K)
Tidally Locked Blackbody T 0.1(K) 338.3 (K)
Tidally Locked Blackbody T 0.3(K) 317.7 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection : Radial Velocity
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Habitable
Habitability by Kopparapu: Not habitable
Star Name : HD 77065
Alternate Name :
Star Distance(LY) : 105.8
Stellar Radius(Rsun) : 0.6 (Rsun Estimated)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.8 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 4990 (K)
Spectral type : G5
UV portion[%]: 3.2
Visible portion[%]: 37.0
IR portion[%]: 59.8
Metalicity : -0.5
Absolute Magnitude: 6.2
Apparent Magnitude: 8.8
Right Ascension(RA) 135.1977
Declination (DEC) 21.4536
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors 0
Discovery Paper - Title 0
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+77065+&submit=SIMBAD+search
Open Exoplanet Database Link 0
HD 77065 b
HD 77065 b

  • HD 77065 b is an exoplanet orbiting the star HD 77065, located about 105.8 light-years (32.4 pc) away from Solar System. Its discovery was publicly announced on 2016.
  • The host star HD 77065 has apparent magnitude of 8.8, with absolute magnitude of 6.2.
  • It is 0.8 times more massive and 0.6 times bigger compared with our Sun. The surface temperature is 4990 with its spectral types of G5
  • In this planetary system, the extrasolar planet HD 77065 b orbits around the star HD 77065 every 119.1 days with its orbital distance of 0.44 AU ( 65523867.4 km)
  • (Projected orbit of HD 77065 b around its host star HD 77065)


  • The Star HD 77065 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.348 AU ( 52067607.5 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.481 AU ( 71971040.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.733 AU ( 109667938.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.079 AU ( 161381175.8 km)
  • Radiation at Planetary Boundary of HD 77065 b : 1649.97 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 77065)



  • Kopparapu Recent Venus for Star HD 77065 distance : 0.377 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 77065 distance : 0.477 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 77065 distance : 0.461 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 77065 distance : 0.506 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 77065 distance : 0.865 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 77065 distance : 0.912 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 77065)



  • Original Kopparapu Recent Venus for Star HD 77065 distance : 0.373 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 77065 distance : 0.492 AU
  • Original Kopparapu Moist Greenhouse for Star HD 77065 distance : 0.493 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 77065 distance : 0.879 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 77065 distance : 0.914 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 77065)



    (Position in Stellar Map of star HD 77065 and its Exoplanet HD 77065 b)



    (Zoomed position in Stellar Map of star HD 77065 and its Exoplanet HD 77065 b (zoom level 3))

    (Synthetic Spectrum of star HD 77065*)
    *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