Imaginary Picture of TOI-1450A b

Display orbital revolution of TOI-1450A b around the hoststar TOI-1450A
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Exoplanet Name : TOI-1450A b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.1008 (Rjup) 1.1299 (Rearth)
Mass (Mjup / Me): 0.0040 (Mjup) 1.2590 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0245 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0056
Orbital Period(Observed/Estimated) 2.04 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 0.9862
Star Radiation at Atmospheric Boundary: 64019.8 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 709.9 (K)
Blackbody T 0.3(K) 666.7 (K)
Blackbody T 0.7(K) 539.4 (K)
Tidally Locked Blackbody T 0.1(K) 844.3 (K)
Tidally Locked Blackbody T 0.3(K) 792.9 (K)
Size Class: Earth-size
Mass Class:
Detection Type : Imaging
Mass Detection : Radial Velocity
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : TOI-1450A
Alternate Name :
Star Distance(LY) : 73.2
Stellar Radius(Rsun) : 0.5 (Rsun Measured)
Stellar Mass(Msun) : 0.5 (Msun Measured) 0.5 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 3437 (K)
Spectral type : M3.0V
UV portion[%]: 0.2
Visible portion[%]: 10.8
IR portion[%]: 89.0
Metalicity : -0.1
Absolute Magnitude: 20.2
Apparent Magnitude: 22.0
Right Ascension(RA) 286.8533
Declination (DEC) 59.0859
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-1450A b
TOI-1450A b

  • TOI-1450A b is an exoplanet orbiting the star TOI-1450A, located about 73.2 light-years (22.4 pc) away from Solar System. Its discovery was publicly announced on 2024.
  • The host star TOI-1450A has apparent magnitude of 22.0, with absolute magnitude of 20.2.
  • It is 0.5 times more massive and 0.5 times bigger compared with our Sun. The surface temperature is 3437 with its spectral types of M3.0V
  • In this planetary system, the extrasolar planet TOI-1450A b orbits around the star TOI-1450A every 2.0 days with its orbital distance of 0.02 AU ( 3666133.0 km)
  • (Projected orbit of TOI-1450A b around its host star TOI-1450A)


  • The Star TOI-1450A 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.121 AU ( 18146610.5 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.168 AU ( 25083358.0 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.255 AU ( 38221486.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.376 AU ( 56244592.1 km)
  • Radiation at Planetary Boundary of TOI-1450A b : 64019.75 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-1450A)



  • Kopparapu Recent Venus for Star TOI-1450A distance : 0.137 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-1450A distance : 0.174 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-1450A distance : 0.168 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-1450A distance : 0.184 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-1450A distance : 0.339 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-1450A distance : 0.357 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-1450A)



  • Original Kopparapu Recent Venus for Star TOI-1450A distance : 0.136 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-1450A distance : 0.180 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-1450A distance : 0.180 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-1450A distance : 0.344 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-1450A distance : 0.358 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-1450A)



    (Position in Stellar Map of star TOI-1450A and its Exoplanet TOI-1450A b)



    (Zoomed position in Stellar Map of star TOI-1450A and its Exoplanet TOI-1450A b (zoom level 3))

    (Synthetic Spectrum of star TOI-1450A*)
    *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