Imaginary Picture of TOI-1601 b

Display orbital revolution of TOI-1601 b around the hoststar TOI-1601
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Exoplanet Name : TOI-1601 b
Alternate Name :
Radius (Rjup / Re): 1.2390 (Rjup) 13.8880 (Rearth)
Mass (Mjup / Me): 0.9900 (Mjup) 314.7586 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0686 (AU) 0.0686 (AU Est.)
Eccentricity : 0.0360
Orbital Period(Yrs) 0.0146
Orbital Period(Observed/Estimated) 5.33 (Days Obs.) 5.33 (Days Est.)
Surface Gravity (G Earth) 1.6319
Star Radiation at Atmospheric Boundary: 1556805.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1576.5 (K)
Blackbody T 0.3(K) 1480.5 (K)
Blackbody T 0.7(K) 1197.9 (K)
Tidally Locked Blackbody T 0.1(K) 1874.8 (K)
Tidally Locked Blackbody T 0.3(K) 1760.6 (K)
Size Class: Super-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-1601
Alternate Name :
Star Distance(LY) : 1095.9
Stellar Radius(Rsun) : 2.2 (Rsun Measured)
Stellar Mass(Msun) : 1.5 (Msun Measured) 1.5 (Msun Estimated)
Star Age : 2.6 (GY)
Temperature : 5948 (K)
Spectral type : G1
UV portion[%]: 7.8
Visible portion[%]: 44.8
IR portion[%]: 47.4
Metalicity : 0.3
Absolute Magnitude: 3.1
Apparent Magnitude: 10.7
Right Ascension(RA) 38.3625
Declination (DEC) 41.0133
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-1601 b
TOI-1601 b

  • TOI-1601 b is an exoplanet orbiting the star TOI-1601, located about 1095.9 light-years (336.0 pc) away from Solar System. Its discovery was publicly announced on 2021.
  • The host star TOI-1601 has apparent magnitude of 10.7, with absolute magnitude of 3.1.
  • It is 1.5 times more massive and 2.2 times bigger compared with our Sun. The surface temperature is 5948 with its spectral types of G1
  • In this planetary system, the extrasolar planet TOI-1601 b orbits around the star TOI-1601 every 5.3 days with its orbital distance of 0.07 AU ( 10268397.8 km)
  • (Projected orbit of TOI-1601 b around its host star TOI-1601)


  • The Star TOI-1601 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 1.675 AU ( 250639889.1 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 2.316 AU ( 346449826.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 3.529 AU ( 527912866.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 5.193 AU ( 776846910.0 km)
  • Radiation at Planetary Boundary of TOI-1601 b : 1556805.71 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-1601)



  • Kopparapu Recent Venus for Star TOI-1601 distance : 1.719 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-1601 distance : 2.177 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-1601 distance : 2.102 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-1601 distance : 2.304 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-1601 distance : 3.827 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-1601 distance : 4.037 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-1601)



  • Original Kopparapu Recent Venus for Star TOI-1601 distance : 1.727 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-1601 distance : 2.235 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-1601 distance : 2.285 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-1601 distance : 3.895 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-1601 distance : 4.050 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-1601)



    (Position in Stellar Map of star TOI-1601 and its Exoplanet TOI-1601 b)



    (Zoomed position in Stellar Map of star TOI-1601 and its Exoplanet TOI-1601 b (zoom level 3))

    (Synthetic Spectrum of star TOI-1601*)
    *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