Imaginary Picture of TOI-1758 b

Display orbital revolution of TOI-1758 b around the hoststar TOI-1758
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Exoplanet Name : TOI-1758 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.3030 (Rjup) 3.3963 (Rearth)
Mass (Mjup / Me): 0.0217 (Mjup) 6.8993 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.1380 (AU) 0.1380 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0567
Orbital Period(Observed/Estimated) 20.71 (Days Obs.) 19.96 (Days Est.)
Surface Gravity (G Earth) 0.5981
Star Radiation at Atmospheric Boundary: 29443.5 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 584.6 (K)
Blackbody T 0.3(K) 549.0 (K)
Blackbody T 0.7(K) 444.2 (K)
Tidally Locked Blackbody T 0.1(K) 695.3 (K)
Tidally Locked Blackbody T 0.3(K) 652.9 (K)
Size Class: 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-1758
Alternate Name :
Star Distance(LY) : 315.1
Stellar Radius(Rsun) : 0.8 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.8 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5170 (K)
Spectral type : K1
UV portion[%]: 4.7
Visible portion[%]: 39.7
IR portion[%]: 55.6
Metalicity : 0.0
Absolute Magnitude: 17.1
Apparent Magnitude: 22.0
Right Ascension(RA) 354.7412
Declination (DEC) 75.6852
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-1758 b
TOI-1758 b

  • TOI-1758 b is an exoplanet orbiting the star TOI-1758, located about 315.1 light-years (96.6 pc) away from Solar System. Its discovery was publicly announced on 2024.
  • The host star TOI-1758 has apparent magnitude of 22.0, with absolute magnitude of 17.1.
  • It is 0.9 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5170 with its spectral types of K1
  • In this planetary system, the extrasolar planet TOI-1758 b orbits around the star TOI-1758 every 20.7 days with its orbital distance of 0.14 AU ( 20644506.2 km)
  • (Projected orbit of TOI-1758 b around its host star TOI-1758)


  • The Star TOI-1758 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.463 AU ( 69299353.9 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.640 AU ( 95789817.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.976 AU ( 145962483.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.436 AU ( 214790188.2 km)
  • Radiation at Planetary Boundary of TOI-1758 b : 29443.46 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-1758)



  • Kopparapu Recent Venus for Star TOI-1758 distance : 0.497 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-1758 distance : 0.629 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-1758 distance : 0.608 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-1758 distance : 0.667 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-1758 distance : 1.133 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-1758 distance : 1.195 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-1758)



  • Original Kopparapu Recent Venus for Star TOI-1758 distance : 0.493 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-1758 distance : 0.648 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-1758 distance : 0.652 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-1758 distance : 1.152 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-1758 distance : 1.198 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-1758)



    (Position in Stellar Map of star TOI-1758 and its Exoplanet TOI-1758 b)



    (Zoomed position in Stellar Map of star TOI-1758 and its Exoplanet TOI-1758 b (zoom level 3))

    (Synthetic Spectrum of star TOI-1758*)
    *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