Imaginary Picture of TOI-1443 b

Display orbital revolution of TOI-1443 b around the hoststar TOI-1443
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Exoplanet Name : TOI-1443 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.1960 (Rjup) 2.1970 (Rearth)
Mass (Mjup / Me): 0.0940 (Mjup) 29.8862 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.1470 (AU) 0.1470 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0644
Orbital Period(Observed/Estimated) 23.54 (Days Obs.) 21.82 (Days Est.)
Surface Gravity (G Earth) 6.1919
Star Radiation at Atmospheric Boundary: 23993.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 555.5 (K)
Blackbody T 0.3(K) 521.7 (K)
Blackbody T 0.7(K) 422.1 (K)
Tidally Locked Blackbody T 0.1(K) 660.6 (K)
Tidally Locked Blackbody T 0.3(K) 620.4 (K)
Size Class: sub-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-1443
Alternate Name :
Star Distance(LY) : 279.8
Stellar Radius(Rsun) : 0.8 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.8 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5236 (K)
Spectral type : K0
UV portion[%]: 5.3
Visible portion[%]: 40.6
IR portion[%]: 54.0
Metalicity : 0.0
Absolute Magnitude: 17.3
Apparent Magnitude: 22.0
Right Ascension(RA) 297.3983
Declination (DEC) 76.1392
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-1443 b
TOI-1443 b

  • TOI-1443 b is an exoplanet orbiting the star TOI-1443, located about 279.8 light-years (85.8 pc) away from Solar System. Its discovery was publicly announced on 2024.
  • The host star TOI-1443 has apparent magnitude of 22.0, with absolute magnitude of 17.3.
  • It is 0.9 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5236 with its spectral types of K0
  • In this planetary system, the extrasolar planet TOI-1443 b orbits around the star TOI-1443 every 23.5 days with its orbital distance of 0.15 AU ( 21990887.0 km)
  • (Projected orbit of TOI-1443 b around its host star TOI-1443)


  • The Star TOI-1443 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.445 AU ( 66637493.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.616 AU ( 92110430.1 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.938 AU ( 140355911.5 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.381 AU ( 206539872.4 km)
  • Radiation at Planetary Boundary of TOI-1443 b : 23993.37 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-1443)



  • Kopparapu Recent Venus for Star TOI-1443 distance : 0.476 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-1443 distance : 0.603 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-1443 distance : 0.582 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-1443 distance : 0.639 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-1443 distance : 1.083 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-1443 distance : 1.142 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-1443)



  • Original Kopparapu Recent Venus for Star TOI-1443 distance : 0.472 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-1443 distance : 0.621 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-1443 distance : 0.625 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-1443 distance : 1.101 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-1443 distance : 1.145 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-1443)



    (Position in Stellar Map of star TOI-1443 and its Exoplanet TOI-1443 b)



    (Zoomed position in Stellar Map of star TOI-1443 and its Exoplanet TOI-1443 b (zoom level 3))

    (Synthetic Spectrum of star TOI-1443*)
    *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