Imaginary Picture of TOI-601 Ab

Display orbital revolution of TOI-601 Ab around the hoststar TOI-601 A
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Exoplanet Name : TOI-601 Ab
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.5100 (Rjup) 5.7166 (Rearth)
Mass (Mjup / Me): 0.1300 (Mjup) 41.3411 (Mearth)
Semi Major Axis / Orbital Distance Calculated 3.4777 (AU) 3.4777 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0000
Orbital Period(Observed/Estimated) 0.00 (Days Obs.) 2162.40 (Days Est.)
Surface Gravity (G Earth) 1.2651
Star Radiation at Atmospheric Boundary: 1457.6 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 275.8 (K)
Blackbody T 0.3(K) 259.0 (K)
Blackbody T 0.7(K) 209.5 (K)
Tidally Locked Blackbody T 0.1(K) 327.9 (K)
Tidally Locked Blackbody T 0.3(K) 308.0 (K)
Size Class: sub-Jupiter-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Habitable
Habitability by Kopparapu: Not habitable
Star Name : TOI-601 A
Alternate Name :
Star Distance(LY) : 1336.5
Stellar Radius(Rsun) : 3.1 (Rsun Measured)
Stellar Mass(Msun) : 1.2 (Msun Measured) 0.0 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 6221 (K)
Spectral type : F7IV
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : 0.0
Absolute Magnitude: 2.5
Apparent Magnitude: 10.6
Right Ascension(RA) 129.4624
Declination (DEC) -43.0420
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-601 Ab
TOI-601 Ab

  • TOI-601 Ab is an exoplanet orbiting the star TOI-601 A, located about 1336.5 light-years (409.8 pc) away from Solar System. Its discovery was publicly announced on 2019.
  • The host star TOI-601 A has apparent magnitude of 10.6, with absolute magnitude of 2.5.
  • It is 1.2 times more massive and 3.1 times bigger compared with our Sun. The surface temperature is 6221 with its spectral types of F7IV
  • (Projected orbit of TOI-601 Ab around its host star TOI-601 A)


  • The Star TOI-601 A 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 2.597 AU ( 388561644.5 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 3.590 AU ( 537093736.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 5.471 AU ( 818411995.2 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 8.050 AU ( 1204329103.2 km)
  • Radiation at Planetary Boundary of TOI-601 Ab : 1457.56 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-601 A)



  • Kopparapu Recent Venus for Star TOI-601 A distance : 2.621 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-601 A distance : 3.319 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-601 A distance : 3.205 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-601 A distance : 3.512 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-601 A distance : 5.801 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-601 A distance : 6.119 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-601 A)



  • Original Kopparapu Recent Venus for Star TOI-601 A distance : 2.649 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-601 A distance : 3.405 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-601 A distance : 3.505 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-601 A distance : 5.905 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-601 A distance : 6.141 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-601 A)



    (Position in Stellar Map of star TOI-601 A and its Exoplanet TOI-601 Ab)



    (Zoomed position in Stellar Map of star TOI-601 A and its Exoplanet TOI-601 Ab (zoom level 3))

    (Synthetic Spectrum of star TOI-601 A*)
    *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