Imaginary Picture of TOI-1442 b

Display orbital revolution of TOI-1442 b around the hoststar TOI-1442
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Exoplanet Name : TOI-1442 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.1044 (Rjup) 1.1702 (Rearth)
Mass (Mjup / Me): 0.0050 (Mjup) 1.5897 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0071 (AU) 0.0071 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0011
Orbital Period(Observed/Estimated) 0.41 (Days Obs.) 0.41 (Days Est.)
Surface Gravity (G Earth) 1.1609
Star Radiation at Atmospheric Boundary: 287467.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1033.5 (K)
Blackbody T 0.3(K) 970.5 (K)
Blackbody T 0.7(K) 785.3 (K)
Tidally Locked Blackbody T 0.1(K) 1229.0 (K)
Tidally Locked Blackbody T 0.3(K) 1154.1 (K)
Size Class: Earth-size
Mass Class:
Detection Type : Primary Transit
Mass Detection : Theoretical
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : TOI-1442
Alternate Name :
Star Distance(LY) : 134.4
Stellar Radius(Rsun) : 0.3 (Rsun Measured)
Stellar Mass(Msun) : 0.3 (Msun Measured) 0.3 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 3330 (K)
Spectral type : M5
UV portion[%]: 0.2
Visible portion[%]: 12.6
IR portion[%]: 87.2
Metalicity : 0.0
Absolute Magnitude: 10.9
Apparent Magnitude: 14.0
Right Ascension(RA) 287.2917
Declination (DEC) 74.1722
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors
Discovery Paper - Title
Discovery Paper - Journal
Discovery Paper - URL
SIMBAD LINK http://simbad.cds.unistra.fr/simbad/sim-basic?Ident=TOI-1442&submit=SIMBAD+search
Open Exoplanet Database Link
TOI-1442 b
TOI-1442 b

  • TOI-1442 b is an exoplanet orbiting the star TOI-1442, located about 134.4 light-years (41.2 pc) away from Solar System. Its discovery was publicly announced on 2022.
  • The host star TOI-1442 has apparent magnitude of 14.0, with absolute magnitude of 10.9.
  • It is 0.3 times more massive and 0.3 times bigger compared with our Sun. The surface temperature is 3330 with its spectral types of M5
  • In this planetary system, the extrasolar planet TOI-1442 b orbits around the star TOI-1442 every 0.4 days with its orbital distance of 0.01 AU ( 1062144.9 km)
  • (Projected orbit of TOI-1442 b around its host star TOI-1442)


  • The Star TOI-1442 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.074 AU ( 11140592.1 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.103 AU ( 15399209.7 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.157 AU ( 23464987.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.231 AU ( 34529757.3 km)
  • Radiation at Planetary Boundary of TOI-1442 b : 287467.29 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-1442)



  • Kopparapu Recent Venus for Star TOI-1442 distance : 0.084 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-1442 distance : 0.107 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-1442 distance : 0.103 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-1442 distance : 0.113 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-1442 distance : 0.209 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-1442 distance : 0.221 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-1442)



  • Original Kopparapu Recent Venus for Star TOI-1442 distance : 0.084 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-1442 distance : 0.110 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-1442 distance : 0.111 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-1442 distance : 0.213 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-1442 distance : 0.221 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-1442)



    (Position in Stellar Map of star TOI-1442 and its Exoplanet TOI-1442 b)



    (Zoomed position in Stellar Map of star TOI-1442 and its Exoplanet TOI-1442 b (zoom level 3))

    (Synthetic Spectrum of star TOI-1442*)
    *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