Imaginary Picture of TOI-3331 b

Display orbital revolution of TOI-3331 b around the hoststar TOI-3331
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Exoplanet Name : TOI-3331 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 1.1580 (Rjup) 12.9800 (Rearth)
Mass (Mjup / Me): 2.2700 (Mjup) 721.7193 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0314 (AU) 0.0314 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0055
Orbital Period(Observed/Estimated) 2.02 (Days Obs.) 1.75 (Days Est.)
Surface Gravity (G Earth) 4.2837
Star Radiation at Atmospheric Boundary: 1295157.1 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1505.6 (K)
Blackbody T 0.3(K) 1414.0 (K)
Blackbody T 0.7(K) 1144.0 (K)
Tidally Locked Blackbody T 0.1(K) 1790.5 (K)
Tidally Locked Blackbody T 0.3(K) 1681.5 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Primary Transit
Mass Detection : Radial Velocity
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : TOI-3331
Alternate Name :
Star Distance(LY) : 733.5
Stellar Radius(Rsun) : 1.1 (Rsun Measured)
Stellar Mass(Msun) : 1.4 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5521 (K)
Spectral type : G7
UV portion[%]: 7.0
Visible portion[%]: 43.4
IR portion[%]: 49.6
Metalicity : 0.0
Absolute Magnitude: 15.2
Apparent Magnitude: 22.0
Right Ascension(RA) 271.3250
Declination (DEC) -34.1072
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
TOI-3331 b
TOI-3331 b

  • TOI-3331 b is an exoplanet orbiting the star TOI-3331, located about 733.5 light-years (224.9 pc) away from Solar System. Its discovery was publicly announced on 2022.
  • The host star TOI-3331 has apparent magnitude of 22.0, with absolute magnitude of 15.2.
  • It is 1.4 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5521 with its spectral types of G7
  • In this planetary system, the extrasolar planet TOI-3331 b orbits around the star TOI-3331 every 2.0 days with its orbital distance of 0.03 AU ( 4703357.1 km)
  • (Projected orbit of TOI-3331 b around its host star TOI-3331)


  • The Star TOI-3331 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.700 AU ( 104712727.5 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.968 AU ( 144740354.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.474 AU ( 220552268.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.169 AU ( 324552325.2 km)
  • Radiation at Planetary Boundary of TOI-3331 b : 1295157.11 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-3331)



  • Kopparapu Recent Venus for Star TOI-3331 distance : 0.737 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-3331 distance : 0.933 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-3331 distance : 0.901 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-3331 distance : 0.988 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-3331 distance : 1.659 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-3331 distance : 1.750 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-3331)



  • Original Kopparapu Recent Venus for Star TOI-3331 distance : 0.734 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-3331 distance : 0.959 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-3331 distance : 0.971 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-3331 distance : 1.688 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-3331 distance : 1.755 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-3331)



    (Position in Stellar Map of star TOI-3331 and its Exoplanet TOI-3331 b)



    (Zoomed position in Stellar Map of star TOI-3331 and its Exoplanet TOI-3331 b (zoom level 3))

    (Synthetic Spectrum of star TOI-3331*)
    *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