Imaginary Picture of TOI-2545 b

Display orbital revolution of TOI-2545 b around the hoststar TOI-2545
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Exoplanet Name : TOI-2545 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.2453 (Rjup) 2.7496 (Rearth)
Mass (Mjup / Me): 0.0213 (Mjup) 6.7582 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.0797 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0219
Orbital Period(Observed/Estimated) 7.99 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 0.8939
Star Radiation at Atmospheric Boundary: 35988.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 614.7 (K)
Blackbody T 0.3(K) 577.3 (K)
Blackbody T 0.7(K) 467.1 (K)
Tidally Locked Blackbody T 0.1(K) 731.0 (K)
Tidally Locked Blackbody T 0.3(K) 686.5 (K)
Size Class: sub-Neptune-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection : Primary Transit
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : TOI-2545
Alternate Name :
Star Distance(LY) : 0.0
Stellar Radius(Rsun) : 1.3 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (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: 25.0
Apparent Magnitude: 22.0
Right Ascension(RA) 135.5458
Declination (DEC) -3.4208
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-2545 b
TOI-2545 b

  • TOI-2545 b is an exoplanet orbiting the star TOI-2545. Its discovery was publicly announced on 2022.
  • The host star TOI-2545 has apparent magnitude of 22.0, with absolute magnitude of 25.0.
  • It is 1.1 times more massive and 1.3 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-2545 b orbits around the star TOI-2545 every 8.0 days with its orbital distance of 0.08 AU ( 11915900.0 km)
  • (Projected orbit of TOI-2545 b around its host star TOI-2545)


  • The Star TOI-2545 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.296 AU ( 44221865.9 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.409 AU ( 61126175.2 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.623 AU ( 93142763.8 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.916 AU ( 137063657.3 km)
  • Radiation at Planetary Boundary of TOI-2545 b : 35988.18 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-2545)



  • Kopparapu Recent Venus for Star TOI-2545 distance : 0.335 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-2545 distance : 0.424 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-2545 distance : 0.409 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-2545 distance : 0.450 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-2545 distance : 0.832 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-2545 distance : 0.878 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-2545)



  • Original Kopparapu Recent Venus for Star TOI-2545 distance : 0.333 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-2545 distance : 0.439 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-2545 distance : 0.440 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-2545 distance : 0.846 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-2545 distance : 0.879 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-2545)



    (Position in Stellar Map of star TOI-2545 and its Exoplanet TOI-2545 b)



    (Zoomed position in Stellar Map of star TOI-2545 and its Exoplanet TOI-2545 b (zoom level 3))

    (Synthetic Spectrum of star TOI-2545*)
    *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