Imaginary Picture of TOI-3785 b

Display orbital revolution of TOI-3785 b around the hoststar TOI-3785
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Exoplanet Name : TOI-3785 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.4586 (Rjup) 5.1404 (Rearth)
Mass (Mjup / Me): 0.0470 (Mjup) 14.9558 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0430 (AU) 0.0430 (AU Est.)
Eccentricity : 0.1100
Orbital Period(Yrs) 0.0128
Orbital Period(Observed/Estimated) 4.67 (Days Obs.) 4.52 (Days Est.)
Surface Gravity (G Earth) 0.5660
Star Radiation at Atmospheric Boundary: 27114.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 572.7 (K)
Blackbody T 0.3(K) 537.8 (K)
Blackbody T 0.7(K) 435.2 (K)
Tidally Locked Blackbody T 0.1(K) 681.1 (K)
Tidally Locked Blackbody T 0.3(K) 639.6 (K)
Size Class: sub-Jupiter-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-3785
Alternate Name :
Star Distance(LY) : 259.0
Stellar Radius(Rsun) : 0.5 (Rsun Measured)
Stellar Mass(Msun) : 0.5 (Msun Measured) 0.5 (Msun Estimated)
Star Age : 8.0 (GY)
Temperature : 3576 (K)
Spectral type : M3
UV portion[%]: 0.2
Visible portion[%]: 11.4
IR portion[%]: 88.4
Metalicity : 0.1
Absolute Magnitude: 11.0
Apparent Magnitude: 15.5
Right Ascension(RA) 130.9000
Declination (DEC) 65.0614
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-3785 b
TOI-3785 b

  • TOI-3785 b is an exoplanet orbiting the star TOI-3785, located about 259.0 light-years (79.4 pc) away from Solar System. Its discovery was publicly announced on 2023.
  • The host star TOI-3785 has apparent magnitude of 15.5, with absolute magnitude of 11.0.
  • It is 0.5 times more massive and 0.5 times bigger compared with our Sun. The surface temperature is 3576 with its spectral types of M3
  • In this planetary system, the extrasolar planet TOI-3785 b orbits around the star TOI-3785 every 4.7 days with its orbital distance of 0.04 AU ( 6432708.4 km)
  • (Projected orbit of TOI-3785 b around its host star TOI-3785)


  • The Star TOI-3785 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.139 AU ( 20721592.9 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.191 AU ( 28642656.6 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.292 AU ( 43645070.0 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.429 AU ( 64225632.5 km)
  • Radiation at Planetary Boundary of TOI-3785 b : 27114.27 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-3785)



  • Kopparapu Recent Venus for Star TOI-3785 distance : 0.156 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-3785 distance : 0.198 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-3785 distance : 0.191 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-3785 distance : 0.210 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-3785 distance : 0.384 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-3785 distance : 0.405 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-3785)



  • Original Kopparapu Recent Venus for Star TOI-3785 distance : 0.155 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-3785 distance : 0.205 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-3785 distance : 0.205 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-3785 distance : 0.390 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-3785 distance : 0.405 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-3785)



    (Position in Stellar Map of star TOI-3785 and its Exoplanet TOI-3785 b)



    (Zoomed position in Stellar Map of star TOI-3785 and its Exoplanet TOI-3785 b (zoom level 3))

    (Synthetic Spectrum of star TOI-3785*)
    *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