Imaginary Picture of TOI-733 b

Display orbital revolution of TOI-733 b around the hoststar TOI-733
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Exoplanet Name : TOI-733 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.1775 (Rjup) 1.9896 (Rearth)
Mass (Mjup / Me): 0.0180 (Mjup) 5.7229 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0618 (AU) 0.0618 (AU Est.)
Eccentricity : 0.0460
Orbital Period(Yrs) 0.0134
Orbital Period(Observed/Estimated) 4.88 (Days Obs.) 5.74 (Days Est.)
Surface Gravity (G Earth) 1.4457
Star Radiation at Atmospheric Boundary: 281947.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1028.5 (K)
Blackbody T 0.3(K) 965.8 (K)
Blackbody T 0.7(K) 781.5 (K)
Tidally Locked Blackbody T 0.1(K) 1223.0 (K)
Tidally Locked Blackbody T 0.3(K) 1148.6 (K)
Size Class: super-Earth-size
Mass Class:
Detection Type : Primary Transit
Mass Detection : Radial Velocity
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : TOI-733
Alternate Name :
Star Distance(LY) : 245.5
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.3 (Msun Estimated)
Star Age : 4.4 (GY)
Temperature : 5585 (K)
Spectral type : G6
UV portion[%]: 7.2
Visible portion[%]: 43.8
IR portion[%]: 49.0
Metalicity : -0.0
Absolute Magnitude: 4.9
Apparent Magnitude: 9.3
Right Ascension(RA) 159.4083
Declination (DEC) -40.8883
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-733 b
TOI-733 b

  • TOI-733 b is an exoplanet orbiting the star TOI-733, located about 245.5 light-years (75.3 pc) away from Solar System. Its discovery was publicly announced on 2023.
  • The host star TOI-733 has apparent magnitude of 9.3, with absolute magnitude of 4.9.
  • It is 1.0 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5585 with its spectral types of G6
  • In this planetary system, the extrasolar planet TOI-733 b orbits around the star TOI-733 every 4.9 days with its orbital distance of 0.06 AU ( 9245148.4 km)
  • (Projected orbit of TOI-733 b around its host star TOI-733)


  • The Star TOI-733 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.642 AU ( 96034675.4 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.887 AU ( 132745018.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.352 AU ( 202274031.4 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.990 AU ( 297655098.2 km)
  • Radiation at Planetary Boundary of TOI-733 b : 281947.20 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-733)



  • Kopparapu Recent Venus for Star TOI-733 distance : 0.673 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-733 distance : 0.852 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-733 distance : 0.823 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-733 distance : 0.903 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-733 distance : 1.513 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-733 distance : 1.596 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-733)



  • Original Kopparapu Recent Venus for Star TOI-733 distance : 0.671 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-733 distance : 0.876 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-733 distance : 0.888 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-733 distance : 1.540 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-733 distance : 1.601 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-733)



    (Position in Stellar Map of star TOI-733 and its Exoplanet TOI-733 b)



    (Zoomed position in Stellar Map of star TOI-733 and its Exoplanet TOI-733 b (zoom level 3))

    (Synthetic Spectrum of star TOI-733*)
    *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