Imaginary Picture of TOI-1235 b

Display orbital revolution of TOI-1235 b around the hoststar TOI-1235
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Exoplanet Name : TOI-1235 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.1511 (Rjup) 1.6940 (Rearth)
Mass (Mjup / Me): 0.0186 (Mjup) 5.9136 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0383 (AU) 0.0383 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0094
Orbital Period(Observed/Estimated) 3.44 (Days Obs.) 3.44 (Days Est.)
Surface Gravity (G Earth) 2.0607
Star Radiation at Atmospheric Boundary: 81928.1 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 755.1 (K)
Blackbody T 0.3(K) 709.1 (K)
Blackbody T 0.7(K) 573.7 (K)
Tidally Locked Blackbody T 0.1(K) 898.0 (K)
Tidally Locked Blackbody T 0.3(K) 843.3 (K)
Size Class: super-Earth-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-1235
Alternate Name :
Star Distance(LY) : 129.4
Stellar Radius(Rsun) : 0.6 (Rsun Measured)
Stellar Mass(Msun) : 0.6 (Msun Measured) 0.6 (Msun Estimated)
Star Age : 0.8 (GY)
Temperature : 3997 (K)
Spectral type : M0.5V
UV portion[%]: 0.7
Visible portion[%]: 24.4
IR portion[%]: 74.9
Metalicity : 0.3
Absolute Magnitude: 8.0
Apparent Magnitude: 11.0
Right Ascension(RA) 152.2167
Declination (DEC) 69.2767
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=TOI-1235&submit=SIMBAD+search
Open Exoplanet Database Link
TOI-1235 b
TOI-1235 b

  • TOI-1235 b is an exoplanet orbiting the star TOI-1235, located about 129.4 light-years (39.7 pc) away from Solar System. Its discovery was publicly announced on 2020.
  • The host star TOI-1235 has apparent magnitude of 11.0, with absolute magnitude of 8.0.
  • It is 0.6 times more massive and 0.6 times bigger compared with our Sun. The surface temperature is 3997 with its spectral types of M0.5V
  • In this planetary system, the extrasolar planet TOI-1235 b orbits around the star TOI-1235 every 3.4 days with its orbital distance of 0.04 AU ( 5723614.5 km)
  • (Projected orbit of TOI-1235 b around its host star TOI-1235)


  • The Star TOI-1235 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.214 AU ( 32049190.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.296 AU ( 44300356.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.451 AU ( 67503939.0 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.664 AU ( 99335003.4 km)
  • Radiation at Planetary Boundary of TOI-1235 b : 81928.08 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-1235)



  • Kopparapu Recent Venus for Star TOI-1235 distance : 0.240 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-1235 distance : 0.304 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-1235 distance : 0.293 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-1235 distance : 0.323 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-1235 distance : 0.577 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-1235 distance : 0.608 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-1235)



  • Original Kopparapu Recent Venus for Star TOI-1235 distance : 0.237 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-1235 distance : 0.314 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-1235 distance : 0.314 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-1235 distance : 0.586 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-1235 distance : 0.609 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-1235)



    (Position in Stellar Map of star TOI-1235 and its Exoplanet TOI-1235 b)



    (Zoomed position in Stellar Map of star TOI-1235 and its Exoplanet TOI-1235 b (zoom level 3))

    (Synthetic Spectrum of star TOI-1235*)
    *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