Imaginary Picture of HIP 104045 b

Display orbital revolution of HIP 104045 b around the hoststar HIP 104045
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Exoplanet Name : HIP 104045 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 0.5000 (Mjup) 158.9690 (Mearth)
Semi Major Axis / Orbital Distance Calculated 3.4600 (AU) 3.4600 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 6.3380
Orbital Period(Observed/Estimated) 2315.00 (Days Obs.) 2316.25 (Days Est.)
Surface Gravity (G Earth) 1.5352
Star Radiation at Atmospheric Boundary: 130.1 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 150.7 (K)
Blackbody T 0.3(K) 141.6 (K)
Blackbody T 0.7(K) 114.5 (K)
Tidally Locked Blackbody T 0.1(K) 179.3 (K)
Tidally Locked Blackbody T 0.3(K) 168.3 (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 : HIP 104045
Alternate Name :
Star Distance(LY) : 178.7
Stellar Radius(Rsun) : 1.1 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 4.5 (GY)
Temperature : 5826 (K)
Spectral type : G5V
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.1
Absolute Magnitude: 4.6
Apparent Magnitude: 8.3
Right Ascension(RA) 316.1833
Declination (DEC) -4.8298
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
HIP 104045 b
HIP 104045 b

  • HIP 104045 b is an exoplanet orbiting the star HIP 104045, located about 178.7 light-years (54.8 pc) away from Solar System. Its discovery was publicly announced on 2023.
  • The host star HIP 104045 has apparent magnitude of 8.3, with absolute magnitude of 4.6.
  • It is 1.0 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5826 with its spectral types of G5V
  • In this planetary system, the extrasolar planet HIP 104045 b orbits around the star HIP 104045 every 2315.0 days with its orbital distance of 3.46 AU ( 517608632.6 km)
  • (Projected orbit of HIP 104045 b around its host star HIP 104045)


  • The Star HIP 104045 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.772 AU ( 115501698.9 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.067 AU ( 159653532.0 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.626 AU ( 243276651.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.393 AU ( 357992250.0 km)
  • Radiation at Planetary Boundary of HIP 104045 b : 130.11 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HIP 104045)



  • Kopparapu Recent Venus for Star HIP 104045 distance : 0.798 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HIP 104045 distance : 1.010 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HIP 104045 distance : 0.976 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HIP 104045 distance : 1.070 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HIP 104045 distance : 1.782 AU
  • Kopparapu Outer Boundary for Early Mars for Star HIP 104045 distance : 1.880 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HIP 104045)



  • Original Kopparapu Recent Venus for Star HIP 104045 distance : 0.800 AU
  • Original Kopparapu Runaway Greenhouse for Star HIP 104045 distance : 1.038 AU
  • Original Kopparapu Moist Greenhouse for Star HIP 104045 distance : 1.058 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HIP 104045 distance : 1.813 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HIP 104045 distance : 1.886 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HIP 104045)



    (Position in Stellar Map of star HIP 104045 and its Exoplanet HIP 104045 b)



    (Zoomed position in Stellar Map of star HIP 104045 and its Exoplanet HIP 104045 b (zoom level 3))

    (Synthetic Spectrum of star HIP 104045*)
    *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