Imaginary Picture of TOI-2443 b

Display orbital revolution of TOI-2443 b around the hoststar TOI-2443
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Exoplanet Name : TOI-2443 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.2471 (Rjup) 2.7697 (Rearth)
Mass (Mjup / Me): 0.0256 (Mjup) 8.1329 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.1067 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0429
Orbital Period(Observed/Estimated) 15.67 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 1.0601
Star Radiation at Atmospheric Boundary: 6844.9 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 406.0 (K)
Blackbody T 0.3(K) 381.2 (K)
Blackbody T 0.7(K) 308.5 (K)
Tidally Locked Blackbody T 0.1(K) 482.8 (K)
Tidally Locked Blackbody T 0.3(K) 453.4 (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-2443
Alternate Name :
Star Distance(LY) : 78.0
Stellar Radius(Rsun) : 0.7 (Rsun Measured)
Stellar Mass(Msun) : 0.7 (Msun Measured) 0.7 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 3300 (K)
Spectral type : M9
UV portion[%]: 0.2
Visible portion[%]: 11.2
IR portion[%]: 88.6
Metalicity : 0.0
Absolute Magnitude: 7.6
Apparent Magnitude: 9.5
Right Ascension(RA) 40.1792
Declination (DEC) 1.1997
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-2443 b
TOI-2443 b

  • TOI-2443 b is an exoplanet orbiting the star TOI-2443, located about 78.0 light-years (23.9 pc) away from Solar System. Its discovery was publicly announced on 2019.
  • The host star TOI-2443 has apparent magnitude of 9.5, with absolute magnitude of 7.6.
  • It is 0.7 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 3300 with its spectral types of M9
  • In this planetary system, the extrasolar planet TOI-2443 b orbits around the star TOI-2443 every 15.7 days with its orbital distance of 0.11 AU ( 15961849.9 km)
  • (Projected orbit of TOI-2443 b around its host star TOI-2443)


  • The Star TOI-2443 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.173 AU ( 25834322.3 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.239 AU ( 35709784.7 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.364 AU ( 54413809.4 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.535 AU ( 80072304.2 km)
  • Radiation at Planetary Boundary of TOI-2443 b : 6844.90 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-2443)



  • Kopparapu Recent Venus for Star TOI-2443 distance : 0.196 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-2443 distance : 0.247 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-2443 distance : 0.239 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-2443 distance : 0.263 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-2443 distance : 0.486 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-2443 distance : 0.513 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-2443)



  • Original Kopparapu Recent Venus for Star TOI-2443 distance : 0.194 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-2443 distance : 0.256 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-2443 distance : 0.257 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-2443 distance : 0.494 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-2443 distance : 0.514 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-2443)



    (Position in Stellar Map of star TOI-2443 and its Exoplanet TOI-2443 b)



    (Zoomed position in Stellar Map of star TOI-2443 and its Exoplanet TOI-2443 b (zoom level 3))

    (Synthetic Spectrum of star TOI-2443*)
    *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