Imaginary Picture of TOI-1751 b

Display orbital revolution of TOI-1751 b around the hoststar TOI-1751
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Exoplanet Name : TOI-1751 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.2489 (Rjup) 2.7899 (Rearth)
Mass (Mjup / Me): 0.0538 (Mjup) 17.1051 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.2115 (AU) 0.2115 (AU Est.)
Eccentricity : 0.2600
Orbital Period(Yrs) 0.1026
Orbital Period(Observed/Estimated) 37.47 (Days Obs.) 33.13 (Days Est.)
Surface Gravity (G Earth) 2.1976
Star Radiation at Atmospheric Boundary: 52508.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 675.6 (K)
Blackbody T 0.3(K) 634.5 (K)
Blackbody T 0.7(K) 513.4 (K)
Tidally Locked Blackbody T 0.1(K) 803.4 (K)
Tidally Locked Blackbody T 0.3(K) 754.5 (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-1751
Alternate Name :
Star Distance(LY) : 370.5
Stellar Radius(Rsun) : 1.2 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 10.0 (GY)
Temperature : 6116 (K)
Spectral type : G0
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : -0.5
Absolute Magnitude: 4.0
Apparent Magnitude: 9.3
Right Ascension(RA) 243.4888
Declination (DEC) 63.5343
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-1751 b
TOI-1751 b

  • TOI-1751 b is an exoplanet orbiting the star TOI-1751, located about 370.5 light-years (113.6 pc) away from Solar System. Its discovery was publicly announced on 2024.
  • The host star TOI-1751 has apparent magnitude of 9.3, with absolute magnitude of 4.0.
  • It is 1.1 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 6116 with its spectral types of G0
  • In this planetary system, the extrasolar planet TOI-1751 b orbits around the star TOI-1751 every 37.5 days with its orbital distance of 0.21 AU ( 31639949.7 km)
  • (Projected orbit of TOI-1751 b around its host star TOI-1751)


  • The Star TOI-1751 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.948 AU ( 141833535.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.311 AU ( 196051011.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.997 AU ( 298738355.0 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.939 AU ( 439606576.2 km)
  • Radiation at Planetary Boundary of TOI-1751 b : 52508.03 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-1751)



  • Kopparapu Recent Venus for Star TOI-1751 distance : 0.963 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-1751 distance : 1.219 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-1751 distance : 1.177 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-1751 distance : 1.290 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-1751 distance : 2.136 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-1751 distance : 2.252 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-1751)



  • Original Kopparapu Recent Venus for Star TOI-1751 distance : 0.971 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-1751 distance : 1.251 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-1751 distance : 1.285 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-1751 distance : 2.174 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-1751 distance : 2.261 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-1751)



    (Position in Stellar Map of star TOI-1751 and its Exoplanet TOI-1751 b)



    (Zoomed position in Stellar Map of star TOI-1751 and its Exoplanet TOI-1751 b (zoom level 3))

    (Synthetic Spectrum of star TOI-1751*)
    *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