Imaginary Picture of TOI-1451 b

Display orbital revolution of TOI-1451 b around the hoststar TOI-1451
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Exoplanet Name : TOI-1451 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.2329 (Rjup) 2.6106 (Rearth)
Mass (Mjup / Me): 0.0478 (Mjup) 15.1974 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.1270 (AU) 0.1270 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0453
Orbital Period(Observed/Estimated) 16.54 (Days Obs.) 16.21 (Days Est.)
Surface Gravity (G Earth) 2.2300
Star Radiation at Atmospheric Boundary: 90927.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 775.0 (K)
Blackbody T 0.3(K) 727.8 (K)
Blackbody T 0.7(K) 588.9 (K)
Tidally Locked Blackbody T 0.1(K) 921.7 (K)
Tidally Locked Blackbody T 0.3(K) 865.5 (K)
Size Class: sub-Neptune-size
Mass Class:
Detection Type : "Radial Velocity, Microlensing"
Mass Detection : Radial Velocity
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : TOI-1451
Alternate Name : BD+62 1237
Star Distance(LY) : 299.9
Stellar Radius(Rsun) : 1.0 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5800 (K)
Spectral type : G2V
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : 0.0
Absolute Magnitude: 4.8
Apparent Magnitude: 9.6
Right Ascension(RA) 186.5243
Declination (DEC) 61.2590
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-1451 b
TOI-1451 b

  • TOI-1451 b is an exoplanet orbiting the star TOI-1451, located about 299.9 light-years (91.9 pc) away from Solar System. Its discovery was publicly announced on 2024.
  • The host star TOI-1451 has apparent magnitude of 9.6, with absolute magnitude of 4.8.
  • It is 1.0 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5800 with its spectral types of G2V
  • In this planetary system, the extrasolar planet TOI-1451 b orbits around the star TOI-1451 every 16.5 days with its orbital distance of 0.13 AU ( 18998929.6 km)
  • (Projected orbit of TOI-1451 b around its host star TOI-1451)


  • The Star TOI-1451 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.749 AU ( 112074604.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.036 AU ( 154916391.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.578 AU ( 236058298.1 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.322 AU ( 347370126.7 km)
  • Radiation at Planetary Boundary of TOI-1451 b : 90927.57 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-1451)



  • Kopparapu Recent Venus for Star TOI-1451 distance : 0.775 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-1451 distance : 0.982 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-1451 distance : 0.948 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-1451 distance : 1.040 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-1451 distance : 1.733 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-1451 distance : 1.828 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-1451)



  • Original Kopparapu Recent Venus for Star TOI-1451 distance : 0.777 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-1451 distance : 1.009 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-1451 distance : 1.028 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-1451 distance : 1.764 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-1451 distance : 1.834 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-1451)



    (Position in Stellar Map of star TOI-1451 and its Exoplanet TOI-1451 b)



    (Zoomed position in Stellar Map of star TOI-1451 and its Exoplanet TOI-1451 b (zoom level 3))

    (Synthetic Spectrum of star TOI-1451*)
    *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