Imaginary Picture of TOI-2427 b

Display orbital revolution of TOI-2427 b around the hoststar TOI-2427
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Exoplanet Name : TOI-2427 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.1610 (Rjup) 1.8046 (Rearth)
Mass (Mjup / Me): 0.0129 (Mjup) 4.1014 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0202 (AU) 0.0202 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0036
Orbital Period(Observed/Estimated) 1.31 (Days Obs.) 1.31 (Days Est.)
Surface Gravity (G Earth) 1.2594
Star Radiation at Atmospheric Boundary: 349108.0 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1084.9 (K)
Blackbody T 0.3(K) 1018.8 (K)
Blackbody T 0.7(K) 824.3 (K)
Tidally Locked Blackbody T 0.1(K) 1290.1 (K)
Tidally Locked Blackbody T 0.3(K) 1211.6 (K)
Size Class: super-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-2427
Alternate Name :
Star Distance(LY) : 93.0
Stellar Radius(Rsun) : 0.7 (Rsun Measured)
Stellar Mass(Msun) : 0.6 (Msun Measured) 0.6 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 4072 (K)
Spectral type : K
UV portion[%]: 0.8
Visible portion[%]: 25.6
IR portion[%]: 73.6
Metalicity : 0.0
Absolute Magnitude: 8.0
Apparent Magnitude: 10.3
Right Ascension(RA) 52.2917
Declination (DEC) -31.3631
Hubble Space Telescope Guide Star Catalog (GSC) ID 07021-00562
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-2427&submit=SIMBAD+search
Open Exoplanet Database Link
TOI-2427 b
TOI-2427 b

  • TOI-2427 b is an exoplanet orbiting the star TOI-2427, located about 93.0 light-years (28.5 pc) away from Solar System. Its discovery was publicly announced on 2022.
  • The host star TOI-2427 has apparent magnitude of 10.3, with absolute magnitude of 8.0.
  • It is 0.6 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4072 with its spectral types of K
  • In this planetary system, the extrasolar planet TOI-2427 b orbits around the star TOI-2427 every 1.3 days with its orbital distance of 0.02 AU ( 3021877.0 km)
  • (Projected orbit of TOI-2427 b around its host star TOI-2427)


  • The Star TOI-2427 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.233 AU ( 34929068.8 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.323 AU ( 48281101.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.492 AU ( 73569713.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.724 AU ( 108261056.4 km)
  • Radiation at Planetary Boundary of TOI-2427 b : 349108.05 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-2427)



  • Kopparapu Recent Venus for Star TOI-2427 distance : 0.261 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-2427 distance : 0.331 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-2427 distance : 0.319 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-2427 distance : 0.351 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-2427 distance : 0.625 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-2427 distance : 0.659 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-2427)



  • Original Kopparapu Recent Venus for Star TOI-2427 distance : 0.258 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-2427 distance : 0.342 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-2427 distance : 0.341 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-2427 distance : 0.635 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-2427 distance : 0.660 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-2427)



    (Position in Stellar Map of star TOI-2427 and its Exoplanet TOI-2427 b)



    (Zoomed position in Stellar Map of star TOI-2427 and its Exoplanet TOI-2427 b (zoom level 3))

    (Synthetic Spectrum of star TOI-2427*)
    *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