Imaginary Picture of KELT-2019-BLG-1953 b

Display orbital revolution of KELT-2019-BLG-1953 b around the hoststar KELT-2019-BLG-1953
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Exoplanet Name : KELT-2019-BLG-1953 b
Alternate Name :
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 0.5900 (Mjup) 187.5834 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.8000 (AU) 0.8000 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0000
Orbital Period(Observed/Estimated) 0.00 (Days Obs.) 469.40 (Days Est.)
Surface Gravity (G Earth) 1.8116
Star Radiation at Atmospheric Boundary: 24.1 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 98.9 (K)
Blackbody T 0.3(K) 92.9 (K)
Blackbody T 0.7(K) 75.2 (K)
Tidally Locked Blackbody T 0.1(K) 117.6 (K)
Tidally Locked Blackbody T 0.3(K) 110.5 (K)
Size Class: Jupiter-size
Mass Class:
Detection Type : Microlensing
Mass Detection : Microlensing
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : KELT-2019-BLG-1953
Alternate Name :
Star Distance(LY) : 22961.4
Stellar Radius(Rsun) : 0.3 (Rsun Estimated)
Stellar Mass(Msun) : 0.3 (Msun Measured) 0.0 (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: 7.8
Apparent Magnitude: 22.0
Right Ascension(RA) 269.1167
Declination (DEC) -28.2011
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
KELT-2019-BLG-1953 b
KELT-2019-BLG-1953 b

  • KELT-2019-BLG-1953 b is an exoplanet orbiting the star KELT-2019-BLG-1953, located about 22961.4 light-years (7040.0 pc) away from Solar System. Its discovery was publicly announced on 2020.
  • The host star KELT-2019-BLG-1953 has apparent magnitude of 22.0, with absolute magnitude of 7.8.
  • It is 0.3 times more massive and 0.3 times bigger compared with our Sun. The surface temperature is 3300 with its spectral types of M9
  • (Projected orbit of KELT-2019-BLG-1953 b around its host star KELT-2019-BLG-1953)


  • The Star KELT-2019-BLG-1953 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.077 AU ( 11498278.9 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.106 AU ( 15893626.3 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.162 AU ( 24218369.3 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.238 AU ( 35638391.3 km)
  • Radiation at Planetary Boundary of KELT-2019-BLG-1953 b : 24.12 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star KELT-2019-BLG-1953)



  • Kopparapu Recent Venus for Star KELT-2019-BLG-1953 distance : 0.087 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star KELT-2019-BLG-1953 distance : 0.110 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star KELT-2019-BLG-1953 distance : 0.106 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star KELT-2019-BLG-1953 distance : 0.117 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star KELT-2019-BLG-1953 distance : 0.216 AU
  • Kopparapu Outer Boundary for Early Mars for Star KELT-2019-BLG-1953 distance : 0.228 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star KELT-2019-BLG-1953)



  • Original Kopparapu Recent Venus for Star KELT-2019-BLG-1953 distance : 0.086 AU
  • Original Kopparapu Runaway Greenhouse for Star KELT-2019-BLG-1953 distance : 0.114 AU
  • Original Kopparapu Moist Greenhouse for Star KELT-2019-BLG-1953 distance : 0.114 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star KELT-2019-BLG-1953 distance : 0.220 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star KELT-2019-BLG-1953 distance : 0.229 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star KELT-2019-BLG-1953)



    (Position in Stellar Map of star KELT-2019-BLG-1953 and its Exoplanet KELT-2019-BLG-1953 b)



    (Zoomed position in Stellar Map of star KELT-2019-BLG-1953 and its Exoplanet KELT-2019-BLG-1953 b (zoom level 3))

    (Synthetic Spectrum of star KELT-2019-BLG-1953*)
    *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