Imaginary Picture of HD 139189 b

Display orbital revolution of HD 139189 b around the hoststar HD 139189
/
Exoplanet Name : HD 139189 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 38.8600 (Mjup) 12355.0707 (Mearth)
Semi Major Axis / Orbital Distance Calculated 11.5440 (AU) 11.5440 (AU Est.)
Eccentricity : 0.2510
Orbital Period(Yrs) 42.5272
Orbital Period(Observed/Estimated) 15533.50 (Days Obs.) 15630.94 (Days Est.)
Surface Gravity (G Earth) 119.3170
Star Radiation at Atmospheric Boundary: 3.9 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 62.8 (K)
Blackbody T 0.3(K) 58.9 (K)
Blackbody T 0.7(K) 47.7 (K)
Tidally Locked Blackbody T 0.1(K) 74.6 (K)
Tidally Locked Blackbody T 0.3(K) 70.1 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : "Radial Velocity, Astrometry"
Mass Detection : Astrometry
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : HD 139189
Alternate Name :
Star Distance(LY) : 155.3
Stellar Radius(Rsun) : 0.8 (Rsun Measured)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5035 (K)
Spectral type : K0V
UV portion[%]: 3.5
Visible portion[%]: 37.5
IR portion[%]: 59.0
Metalicity : 0.0
Absolute Magnitude: 6.1
Apparent Magnitude: 9.5
Right Ascension(RA) 234.9747
Declination (DEC) -61.1834
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 139189 b
HD 139189 b

  • HD 139189 b is an exoplanet orbiting the star HD 139189, located about 155.3 light-years (47.6 pc) away from Solar System. Its discovery was publicly announced on 2022.
  • The host star HD 139189 has apparent magnitude of 9.5, with absolute magnitude of 6.1.
  • It is 0.8 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5035 with its spectral types of K0V
  • In this planetary system, the extrasolar planet HD 139189 b orbits around the star HD 139189 every 15533.5 days with its orbital distance of 11.54 AU ( 1726957819.4 km)
  • (Projected orbit of HD 139189 b around its host star HD 139189)


  • The Star HD 139189 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.447 AU ( 66795561.9 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.617 AU ( 92328922.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.940 AU ( 140688845.3 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.384 AU ( 207029799.1 km)
  • Radiation at Planetary Boundary of HD 139189 b : 3.91 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 139189)



  • Kopparapu Recent Venus for Star HD 139189 distance : 0.482 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 139189 distance : 0.611 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 139189 distance : 0.590 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 139189 distance : 0.647 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 139189 distance : 1.105 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 139189 distance : 1.166 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 139189)



  • Original Kopparapu Recent Venus for Star HD 139189 distance : 0.477 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 139189 distance : 0.629 AU
  • Original Kopparapu Moist Greenhouse for Star HD 139189 distance : 0.632 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 139189 distance : 1.124 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 139189 distance : 1.168 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 139189)



    (Position in Stellar Map of star HD 139189 and its Exoplanet HD 139189 b)



    (Zoomed position in Stellar Map of star HD 139189 and its Exoplanet HD 139189 b (zoom level 3))

    (Synthetic Spectrum of star HD 139189*)
    *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