Imaginary Picture of TOI-2084 b

Display orbital revolution of TOI-2084 b around the hoststar TOI-2084
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Exoplanet Name : TOI-2084 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.2204 (Rjup) 2.4705 (Rearth)
Mass (Mjup / Me): 0.0212 (Mjup) 6.7435 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0501 (AU) 0.0501 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0166
Orbital Period(Observed/Estimated) 6.08 (Days Obs.) 5.84 (Days Est.)
Surface Gravity (G Earth) 1.1049
Star Radiation at Atmospheric Boundary: 17535.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 513.6 (K)
Blackbody T 0.3(K) 482.3 (K)
Blackbody T 0.7(K) 390.3 (K)
Tidally Locked Blackbody T 0.1(K) 610.8 (K)
Tidally Locked Blackbody T 0.3(K) 573.6 (K)
Size Class: sub-Neptune-size
Mass Class:
Detection Type : Primary Transit
Mass Detection : Theoretical
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : TOI-2084
Alternate Name :
Star Distance(LY) : 372.8
Stellar Radius(Rsun) : 0.5 (Rsun Measured)
Stellar Mass(Msun) : 0.5 (Msun Measured) 0.5 (Msun Estimated)
Star Age : 7.5 (GY)
Temperature : 3550 (K)
Spectral type : M2
UV portion[%]: 0.3
Visible portion[%]: 15.6
IR portion[%]: 84.0
Metalicity : -0.1
Absolute Magnitude: 9.7
Apparent Magnitude: 15.0
Right Ascension(RA) 259.2542
Declination (DEC) 72.7469
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-2084 b
TOI-2084 b

  • TOI-2084 b is an exoplanet orbiting the star TOI-2084, located about 372.8 light-years (114.3 pc) away from Solar System. Its discovery was publicly announced on 2023.
  • The host star TOI-2084 has apparent magnitude of 15.0, with absolute magnitude of 9.7.
  • It is 0.5 times more massive and 0.5 times bigger compared with our Sun. The surface temperature is 3550 with its spectral types of M2
  • In this planetary system, the extrasolar planet TOI-2084 b orbits around the star TOI-2084 every 6.1 days with its orbital distance of 0.05 AU ( 7488869.4 km)
  • (Projected orbit of TOI-2084 b around its host star TOI-2084)


  • The Star TOI-2084 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.130 AU ( 19400299.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.179 AU ( 26816283.4 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.273 AU ( 40862081.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.402 AU ( 60130343.0 km)
  • Radiation at Planetary Boundary of TOI-2084 b : 17535.73 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-2084)



  • Kopparapu Recent Venus for Star TOI-2084 distance : 0.146 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-2084 distance : 0.185 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-2084 distance : 0.179 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-2084 distance : 0.197 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-2084 distance : 0.360 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-2084 distance : 0.379 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-2084)



  • Original Kopparapu Recent Venus for Star TOI-2084 distance : 0.145 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-2084 distance : 0.192 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-2084 distance : 0.192 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-2084 distance : 0.365 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-2084 distance : 0.380 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-2084)



    (Position in Stellar Map of star TOI-2084 and its Exoplanet TOI-2084 b)



    (Zoomed position in Stellar Map of star TOI-2084 and its Exoplanet TOI-2084 b (zoom level 3))

    (Synthetic Spectrum of star TOI-2084*)
    *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