Imaginary Picture of KELT-25 b
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Exoplanet Name : KELT-25 b
Alternate Name :
Radius (Rjup / Re): 1.6420 (Rjup) 18.4052 (Rearth)
Mass (Mjup / Me): 21.0000 (Mjup) 6676.6980 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0681 (AU) 0.0681 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0120
Orbital Period(Observed/Estimated) 4.40 (Days Obs.) 4.40 (Days Est.)
Star Radiation at Atmospheric Boundary: 6370665.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 2242.3 (K)
Blackbody T 0.3(K) 2105.7 (K)
Blackbody T 0.7(K) 1703.8 (K)
Tidally Locked Blackbody T 0.1(K) 2666.5 (K)
Tidally Locked Blackbody T 0.3(K) 2504.1 (K)
Size Class: Super-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 : KELT-25
Alternate Name : "TOI 626, CD-24 5016"
Star Distance(LY) : 1443.4
Stellar Radius(Rsun) : 2.3 (Rsun Measured)
Stellar Mass(Msun) : 2.2 (Msun Measured) 2.2 (Msun Estimated)
Star Age : 0.5 (GY)
Temperature : 8280 (K)
Spectral type : A
Metalicity : 0.3
Absolute Magnitude: 1.4
Apparent Magnitude: 9.6
Right Ascension(RA) 108.1231
Declination (DEC) -24.9536
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.u-strasbg.fr/simbad/sim-basic?Ident=KELT-25+&submit=SIMBAD+search
Open Exoplanet Database Link
KELT-25 b
KELT-25 b

  • KELT-25 b is an exoplanet orbiting the star KELT-25, located about 1443.4 light-years (442.6 pc) away from Solar System. Its discovery was publicly announced on 2020.
  • The host star KELT-25 has apparent magnitude of 9.6, with absolute magnitude of 1.4.
  • It is 2.2 times more massive and 2.3 times bigger compared with our Sun. The surface temperature is 8280 with its spectral types of A
  • In this planetary system, the extrasolar planet KELT-25 b orbits around the star KELT-25 every 4.4 days with its orbital distance of 0.07 AU ( 10187615.0 km)
  • (Projected orbit of KELT-25 b around its host star KELT-25)


  • The Star KELT-25 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 3.363 AU ( 503031531.2 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 4.648 AU ( 695321034.0 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 7.082 AU ( 1059515381.7 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 10.422 AU ( 1559123298.5 km)
  • Radiation at Planetary Boundary of KELT-25 b : 6370665.15 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star KELT-25)



  • Kopparapu Recent Venus for Star KELT-25 distance : 3.175 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star KELT-25 distance : 4.022 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star KELT-25 distance : 3.884 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star KELT-25 distance : 4.249 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star KELT-25 distance : 6.938 AU
  • Kopparapu Outer Boundary for Early Mars for Star KELT-25 distance : 7.316 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star KELT-25)



  • Original Kopparapu Recent Venus for Star KELT-25 distance : 3.297 AU
  • Original Kopparapu Runaway Greenhouse for Star KELT-25 distance : 4.102 AU
  • Original Kopparapu Moist Greenhouse for Star KELT-25 distance : 4.363 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star KELT-25 distance : 7.058 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star KELT-25 distance : 7.340 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star KELT-25)



    (Position in Stellar Map of star KELT-25 and its Exoplanet KELT-25 b)



    (Zoomed position in Stellar Map of star KELT-25 and its Exoplanet KELT-25 b (zoom level 3))