Imaginary Picture of TOI-2134 b

Display orbital revolution of TOI-2134 b around the hoststar TOI-2134
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Exoplanet Name : TOI-2134 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.2400 (Rjup) 2.6902 (Rearth)
Mass (Mjup / Me): 0.0287 (Mjup) 9.1344 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0780 (AU) 0.0780 (AU Est.)
Eccentricity : 0.0600
Orbital Period(Yrs) 0.0253
Orbital Period(Observed/Estimated) 9.23 (Days Obs.) 9.58 (Days Est.)
Surface Gravity (G Earth) 1.2622
Star Radiation at Atmospheric Boundary: 45037.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 650.2 (K)
Blackbody T 0.3(K) 610.6 (K)
Blackbody T 0.7(K) 494.0 (K)
Tidally Locked Blackbody T 0.1(K) 773.2 (K)
Tidally Locked Blackbody T 0.3(K) 726.1 (K)
Size Class: sub-Neptune-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-2134
Alternate Name :
Star Distance(LY) : 73.8
Stellar Radius(Rsun) : 0.8 (Rsun Measured)
Stellar Mass(Msun) : 0.7 (Msun Measured) 0.7 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 4406 (K)
Spectral type : K5
UV portion[%]: 1.3
Visible portion[%]: 29.5
IR portion[%]: 69.3
Metalicity : 0.0
Absolute Magnitude: 7.1
Apparent Magnitude: 8.9
Right Ascension(RA) 271.9375
Declination (DEC) 39.0731
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-2134 b
TOI-2134 b

  • TOI-2134 b is an exoplanet orbiting the star TOI-2134, located about 73.8 light-years (22.6 pc) away from Solar System. Its discovery was publicly announced on 2019.
  • The host star TOI-2134 has apparent magnitude of 8.9, with absolute magnitude of 7.1.
  • It is 0.7 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 4406 with its spectral types of K5
  • In this planetary system, the extrasolar planet TOI-2134 b orbits around the star TOI-2134 every 9.2 days with its orbital distance of 0.08 AU ( 11668633.9 km)
  • (Projected orbit of TOI-2134 b around its host star TOI-2134)


  • The Star TOI-2134 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.324 AU ( 48443757.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.448 AU ( 66961933.0 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.682 AU ( 102035167.3 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.004 AU ( 150149218.5 km)
  • Radiation at Planetary Boundary of TOI-2134 b : 45037.58 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-2134)



  • Kopparapu Recent Venus for Star TOI-2134 distance : 0.359 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-2134 distance : 0.454 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-2134 distance : 0.439 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-2134 distance : 0.482 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-2134 distance : 0.845 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-2134 distance : 0.891 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-2134)



  • Original Kopparapu Recent Venus for Star TOI-2134 distance : 0.354 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-2134 distance : 0.469 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-2134 distance : 0.468 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-2134 distance : 0.859 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-2134 distance : 0.893 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-2134)



    (Position in Stellar Map of star TOI-2134 and its Exoplanet TOI-2134 b)



    (Zoomed position in Stellar Map of star TOI-2134 and its Exoplanet TOI-2134 b (zoom level 3))

    (Synthetic Spectrum of star TOI-2134*)
    *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