Imaginary Picture of TOI-2498 b

Display orbital revolution of TOI-2498 b around the hoststar TOI-2498
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Exoplanet Name : TOI-2498 b
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.5406 (Rjup) 6.0596 (Rearth)
Mass (Mjup / Me): 0.1089 (Mjup) 34.6330 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0491 (AU) 0.0491 (AU Est.)
Eccentricity : 0.0890
Orbital Period(Yrs) 0.0102
Orbital Period(Observed/Estimated) 3.74 (Days Obs.) 3.75 (Days Est.)
Surface Gravity (G Earth) 0.9432
Star Radiation at Atmospheric Boundary: 981889.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1404.9 (K)
Blackbody T 0.3(K) 1319.4 (K)
Blackbody T 0.7(K) 1067.5 (K)
Tidally Locked Blackbody T 0.1(K) 1670.8 (K)
Tidally Locked Blackbody T 0.3(K) 1569.0 (K)
Size Class: sub-Jupiter-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-2498
Alternate Name :
Star Distance(LY) : 903.5
Stellar Radius(Rsun) : 1.3 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 3.6 (GY)
Temperature : 5905 (K)
Spectral type : G1
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : 0.2
Absolute Magnitude: 4.0
Apparent Magnitude: 11.2
Right Ascension(RA) 95.4162
Declination (DEC) 11.2516
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-2498 b
TOI-2498 b

  • TOI-2498 b is an exoplanet orbiting the star TOI-2498, located about 903.5 light-years (277.0 pc) away from Solar System. Its discovery was publicly announced on 2023.
  • The host star TOI-2498 has apparent magnitude of 11.2, with absolute magnitude of 4.0.
  • It is 1.1 times more massive and 1.3 times bigger compared with our Sun. The surface temperature is 5905 with its spectral types of G1
  • In this planetary system, the extrasolar planet TOI-2498 b orbits around the star TOI-2498 every 3.7 days with its orbital distance of 0.05 AU ( 7345255.5 km)
  • (Projected orbit of TOI-2498 b around its host star TOI-2498)


  • The Star TOI-2498 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.952 AU ( 142386384.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.316 AU ( 196815192.9 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 2.005 AU ( 299902798.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.950 AU ( 441320106.5 km)
  • Radiation at Planetary Boundary of TOI-2498 b : 981889.29 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-2498)



  • Kopparapu Recent Venus for Star TOI-2498 distance : 0.979 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-2498 distance : 1.240 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-2498 distance : 1.197 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-2498 distance : 1.313 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-2498 distance : 2.182 AU
  • Kopparapu Outer Boundary for Early Mars for Star TOI-2498 distance : 2.301 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-2498)



  • Original Kopparapu Recent Venus for Star TOI-2498 distance : 0.983 AU
  • Original Kopparapu Runaway Greenhouse for Star TOI-2498 distance : 1.273 AU
  • Original Kopparapu Moist Greenhouse for Star TOI-2498 distance : 1.300 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-2498 distance : 2.221 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star TOI-2498 distance : 2.309 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-2498)



    (Position in Stellar Map of star TOI-2498 and its Exoplanet TOI-2498 b)



    (Zoomed position in Stellar Map of star TOI-2498 and its Exoplanet TOI-2498 b (zoom level 3))

    (Synthetic Spectrum of star TOI-2498*)
    *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