Imaginary Picture of TOI-1420 b

Display orbital revolution of TOI-1420 b around the hoststar TOI-1420
/
Exoplanet Name : TOI-1420 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 1.0608 (Rjup) 11.8905 (Rearth)
Mass (Mjup / Me): 0.0790 (Mjup) 25.1171 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0710 (AU) 0.0710 (AU Est.)
Eccentricity : 0.1700
Orbital Period(Yrs) 0.0190
Orbital Period(Observed/Estimated) 6.96 (Days Obs.) 6.96 (Days Est.)
Surface Gravity (G Earth) 0.1777
Star Radiation at Atmospheric Boundary: 188681.8 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 930.2 (K)
Blackbody T 0.3(K) 873.6 (K)
Blackbody T 0.7(K) 706.8 (K)
Tidally Locked Blackbody T 0.1(K) 1106.2 (K)
Tidally Locked Blackbody T 0.3(K) 1038.8 (K)
Size Class: 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-1420
Alternate Name :
Star Distance(LY) : 658.3
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 1.0 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 10.7 (GY)
Temperature : 5493 (K)
Spectral type : G7
UV portion[%]: 6.8
Visible portion[%]: 43.2
IR portion[%]: 50.0
Metalicity : 0.3
Absolute Magnitude: 5.5
Apparent Magnitude: 12.0
Right Ascension(RA) 322.9417
Declination (DEC) 66.3489
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-1420 b
TOI-1420 b

  • TOI-1420 b is an exoplanet orbiting the star TOI-1420, located about 658.3 light-years (201.8 pc) away from Solar System. Its discovery was publicly announced on 2023.
  • The host star TOI-1420 has apparent magnitude of 12.0, with absolute magnitude of 5.5.
  • It is 1.0 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5493 with its spectral types of G7
  • In this planetary system, the extrasolar planet TOI-1420 b orbits around the star TOI-1420 every 7.0 days with its orbital distance of 0.07 AU ( 10621448.8 km)
  • (Projected orbit of TOI-1420 b around its host star TOI-1420)


  • The Star TOI-1420 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.603 AU ( 90256608.7 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.834 AU ( 124758220.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.271 AU ( 190103918.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.870 AU ( 279746244.1 km)
  • Radiation at Planetary Boundary of TOI-1420 b : 188681.76 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-1420)



  • Kopparapu Recent Venus for Star TOI-1420 distance : 0.636 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-1420 distance : 0.805 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-1420 distance : 0.778 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-1420 distance : 0.853 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-1420 distance : 1.434 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-1420 distance : 1.512 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-1420)



  • Original Kopparapu Recent Venus for Star TOI-1420 distance : 0.633 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-1420 distance : 0.828 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-1420 distance : 0.838 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-1420 distance : 1.459 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-1420 distance : 1.517 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-1420)



    (Position in Stellar Map of star TOI-1420 and its Exoplanet TOI-1420 b)



    (Zoomed position in Stellar Map of star TOI-1420 and its Exoplanet TOI-1420 b (zoom level 3))

    (Synthetic Spectrum of star TOI-1420*)
    *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