Imaginary Picture of HD 135625 b

Display orbital revolution of HD 135625 b around the hoststar HD 135625
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Exoplanet Name : HD 135625 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 2.3000 (Mjup) 731.2574 (Mearth)
Semi Major Axis / Orbital Distance Calculated 5.4000 (AU) 5.4000 (AU Est.)
Eccentricity : 0.1600
Orbital Period(Yrs) 11.1017
Orbital Period(Observed/Estimated) 4055.00 (Days Obs.) 4051.13 (Days Est.)
Surface Gravity (G Earth) 7.0620
Star Radiation at Atmospheric Boundary: 64.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 126.6 (K)
Blackbody T 0.3(K) 118.9 (K)
Blackbody T 0.7(K) 96.2 (K)
Tidally Locked Blackbody T 0.1(K) 150.5 (K)
Tidally Locked Blackbody T 0.3(K) 141.4 (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 135625
Alternate Name :
Star Distance(LY) : 184.5
Stellar Radius(Rsun) : 1.2 (Rsun Estimated)
Stellar Mass(Msun) : 1.3 (Msun Measured) 1.3 (Msun Estimated)
Star Age : 4.4 (GY)
Temperature : 5750 (K)
Spectral type : G3IV/V
UV portion[%]: 7.7
Visible portion[%]: 44.6
IR portion[%]: 47.6
Metalicity : 0.0
Absolute Magnitude: 3.9
Apparent Magnitude: 7.7
Right Ascension(RA) 229.4500
Declination (DEC) -45.9225
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 135625 b
HD 135625 b

  • HD 135625 b is an exoplanet orbiting the star HD 135625, located about 184.5 light-years (56.6 pc) away from Solar System. Its discovery was publicly announced on 2023.
  • The host star HD 135625 has apparent magnitude of 7.7, with absolute magnitude of 3.9.
  • It is 1.3 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 5750 with its spectral types of G3IV/V
  • In this planetary system, the extrasolar planet HD 135625 b orbits around the star HD 135625 every 4055.0 days with its orbital distance of 5.40 AU ( 807828501.8 km)
  • (Projected orbit of HD 135625 b around its host star HD 135625)


  • The Star HD 135625 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.850 AU ( 127097903.6 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.174 AU ( 175682517.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.789 AU ( 267701278.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.633 AU ( 393934158.1 km)
  • Radiation at Planetary Boundary of HD 135625 b : 64.68 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 135625)



  • Kopparapu Recent Venus for Star HD 135625 distance : 0.882 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 135625 distance : 1.117 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 135625 distance : 1.079 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 135625 distance : 1.183 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 135625 distance : 1.974 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 135625 distance : 2.082 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 135625)



  • Original Kopparapu Recent Venus for Star HD 135625 distance : 0.883 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 135625 distance : 1.148 AU
  • Original Kopparapu Moist Greenhouse for Star HD 135625 distance : 1.168 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 135625 distance : 2.009 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 135625 distance : 2.089 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 135625)



    (Position in Stellar Map of star HD 135625 and its Exoplanet HD 135625 b)



    (Zoomed position in Stellar Map of star HD 135625 and its Exoplanet HD 135625 b (zoom level 3))

    (Synthetic Spectrum of star HD 135625*)
    *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