Imaginary Picture of HD 111232 c

Display orbital revolution of HD 111232 c around the hoststar HD 111232
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Exoplanet Name : HD 111232 c
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 18.0630 (Mjup) 5742.9141 (Mearth)
Semi Major Axis / Orbital Distance Calculated 17.2500 (AU) 17.2500 (AU Est.)
Eccentricity : 0.5580
Orbital Period(Yrs) 72.4755
Orbital Period(Observed/Estimated) 26472.40 (Days Obs.) 29629.65 (Days Est.)
Surface Gravity (G Earth) 55.4612
Star Radiation at Atmospheric Boundary: 1.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 50.7 (K)
Blackbody T 0.3(K) 47.6 (K)
Blackbody T 0.7(K) 38.5 (K)
Tidally Locked Blackbody T 0.1(K) 60.3 (K)
Tidally Locked Blackbody T 0.3(K) 56.6 (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 111232
Alternate Name :
Star Distance(LY) : 94.6
Stellar Radius(Rsun) : 0.7 (Rsun Estimated)
Stellar Mass(Msun) : 0.8 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 5.2 (GY)
Temperature : 5494 (K)
Spectral type : G8V
UV portion[%]: 6.9
Visible portion[%]: 43.2
IR portion[%]: 50.0
Metalicity : -0.4
Absolute Magnitude: 5.3
Apparent Magnitude: 7.6
Right Ascension(RA) 192.2125
Declination (DEC) -68.4250
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 111232 c
HD 111232 c

  • HD 111232 c is an exoplanet orbiting the star HD 111232, located about 94.6 light-years (29.0 pc) away from Solar System. Its discovery was publicly announced on 2022.
  • The host star HD 111232 has apparent magnitude of 7.6, with absolute magnitude of 5.3.
  • It is 0.8 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 5494 with its spectral types of G8V
  • In this planetary system, the extrasolar planet HD 111232 c orbits around the star HD 111232 every 26472.4 days with its orbital distance of 17.25 AU ( 2580563269.6 km)
  • (Projected orbit of HD 111232 c around its host star HD 111232)


  • The Star HD 111232 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.436 AU ( 65159791.6 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.602 AU ( 90067860.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.917 AU ( 137243487.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.350 AU ( 201959803.7 km)
  • Radiation at Planetary Boundary of HD 111232 c : 1.67 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 111232)



  • Kopparapu Recent Venus for Star HD 111232 distance : 0.459 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 111232 distance : 0.581 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 111232 distance : 0.561 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 111232 distance : 0.616 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 111232 distance : 1.035 AU
  • Kopparapu Outer Boundary for Early Mars for Star HD 111232 distance : 1.092 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 111232)



  • Original Kopparapu Recent Venus for Star HD 111232 distance : 0.457 AU
  • Original Kopparapu Runaway Greenhouse for Star HD 111232 distance : 0.598 AU
  • Original Kopparapu Moist Greenhouse for Star HD 111232 distance : 0.605 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 111232 distance : 1.053 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star HD 111232 distance : 1.095 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 111232)



    (Position in Stellar Map of star HD 111232 and its Exoplanet HD 111232 c)



    (Zoomed position in Stellar Map of star HD 111232 and its Exoplanet HD 111232 c (zoom level 3))

    (Synthetic Spectrum of star HD 111232*)
    *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