Imaginary Picture of TOI-2589 b

Display orbital revolution of TOI-2589 b around the hoststar TOI-2589
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Exoplanet Name : TOI-2589 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 1.0800 (Rjup) 12.1057 (Rearth)
Mass (Mjup / Me): 3.5000 (Mjup) 1112.7830 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.3000 (AU) 0.3000 (AU Est.)
Eccentricity : 0.5220
Orbital Period(Yrs) 0.1687
Orbital Period(Observed/Estimated) 61.63 (Days Obs.) 62.23 (Days Est.)
Surface Gravity (G Earth) 7.5933
Star Radiation at Atmospheric Boundary: 15113.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 494.9 (K)
Blackbody T 0.3(K) 464.7 (K)
Blackbody T 0.7(K) 376.0 (K)
Tidally Locked Blackbody T 0.1(K) 588.5 (K)
Tidally Locked Blackbody T 0.3(K) 552.7 (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-2589
Alternate Name :
Star Distance(LY) : 658.8
Stellar Radius(Rsun) : 1.1 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 11.0 (GY)
Temperature : 5579 (K)
Spectral type : G6
UV portion[%]: 7.2
Visible portion[%]: 43.7
IR portion[%]: 49.0
Metalicity : 0.1
Absolute Magnitude: 4.9
Apparent Magnitude: 11.4
Right Ascension(RA) 107.4875
Declination (DEC) -37.2308
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-2589 b
TOI-2589 b

  • TOI-2589 b is an exoplanet orbiting the star TOI-2589, located about 658.8 light-years (202.0 pc) away from Solar System. Its discovery was publicly announced on 2023.
  • The host star TOI-2589 has apparent magnitude of 11.4, with absolute magnitude of 4.9.
  • It is 0.9 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5579 with its spectral types of G6
  • In this planetary system, the extrasolar planet TOI-2589 b orbits around the star TOI-2589 every 61.6 days with its orbital distance of 0.30 AU ( 44879361.2 km)
  • (Projected orbit of TOI-2589 b around its host star TOI-2589)


  • The Star TOI-2589 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.721 AU ( 107933090.6 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.997 AU ( 149191737.5 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.520 AU ( 227335191.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.236 AU ( 334533693.7 km)
  • Radiation at Planetary Boundary of TOI-2589 b : 15113.16 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-2589)



  • Kopparapu Recent Venus for Star TOI-2589 distance : 0.757 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-2589 distance : 0.958 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-2589 distance : 0.925 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-2589 distance : 1.015 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-2589 distance : 1.702 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-2589 distance : 1.795 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-2589)



  • Original Kopparapu Recent Venus for Star TOI-2589 distance : 0.755 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-2589 distance : 0.985 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-2589 distance : 0.999 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-2589 distance : 1.731 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-2589 distance : 1.800 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-2589)



    (Position in Stellar Map of star TOI-2589 and its Exoplanet TOI-2589 b)



    (Zoomed position in Stellar Map of star TOI-2589 and its Exoplanet TOI-2589 b (zoom level 3))

    (Synthetic Spectrum of star TOI-2589*)
    *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