Imaginary Picture of OGLE-2018-BLG-1489 b

Display orbital revolution of OGLE-2018-BLG-1489 b around the hoststar OGLE-2018-BLG-1489
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Exoplanet Name : OGLE-2018-BLG-1489 b
Alternate Name : KMT-2018-BLG-1534 b
Status : Confirmed
Radius (Rjup / Re): 0.9078 (Rjup) 10.1759 (Rearth)
Mass (Mjup / Me): 50.0000 (Mjup) 15896.9000 (Mearth)
Semi Major Axis / Orbital Distance Calculated 3.5000 (AU) 3.5000 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0000
Orbital Period(Observed/Estimated) 0.00 (Days Obs.) 3452.01 (Days Est.)
Surface Gravity (G Earth) 153.5217
Star Radiation at Atmospheric Boundary: 2.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 55.8 (K)
Blackbody T 0.3(K) 52.4 (K)
Blackbody T 0.7(K) 42.4 (K)
Tidally Locked Blackbody T 0.1(K) 66.3 (K)
Tidally Locked Blackbody T 0.3(K) 62.3 (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 : OGLE-2018-BLG-1489
Alternate Name : KMT-2018-BLG-1534
Star Distance(LY) : 21200.1
Stellar Radius(Rsun) : 0.5 (Rsun Estimated)
Stellar Mass(Msun) : 0.5 (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: 7.9
Apparent Magnitude: 22.0
Right Ascension(RA) 266.4458
Declination (DEC) -23.9622
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
OGLE-2018-BLG-1489 b
OGLE-2018-BLG-1489 b

  • OGLE-2018-BLG-1489 b is an exoplanet orbiting the star OGLE-2018-BLG-1489, located about 21200.1 light-years (6500.0 pc) away from Solar System. Its discovery was publicly announced on 2022.
  • The host star OGLE-2018-BLG-1489 has apparent magnitude of 22.0, with absolute magnitude of 7.9.
  • It is 0.5 times more massive and 0.5 times bigger compared with our Sun. The surface temperature is 3300 with its spectral types of M9
  • (Projected orbit of OGLE-2018-BLG-1489 b around its host star OGLE-2018-BLG-1489)


  • The Star OGLE-2018-BLG-1489 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.107 AU ( 16002587.5 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.148 AU ( 22119757.9 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.225 AU ( 33705615.9 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 0.332 AU ( 49599290.4 km)
  • Radiation at Planetary Boundary of OGLE-2018-BLG-1489 b : 2.44 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star OGLE-2018-BLG-1489)



  • Kopparapu Recent Venus for Star OGLE-2018-BLG-1489 distance : 0.121 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star OGLE-2018-BLG-1489 distance : 0.153 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star OGLE-2018-BLG-1489 distance : 0.148 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star OGLE-2018-BLG-1489 distance : 0.163 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star OGLE-2018-BLG-1489 distance : 0.301 AU
  • Kopparapu Outer Boundary for Early Mars for Star OGLE-2018-BLG-1489 distance : 0.318 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star OGLE-2018-BLG-1489)



  • Original Kopparapu Recent Venus for Star OGLE-2018-BLG-1489 distance : 0.120 AU
  • Original Kopparapu Runaway Greenhouse for Star OGLE-2018-BLG-1489 distance : 0.159 AU
  • Original Kopparapu Moist Greenhouse for Star OGLE-2018-BLG-1489 distance : 0.159 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star OGLE-2018-BLG-1489 distance : 0.306 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star OGLE-2018-BLG-1489 distance : 0.318 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star OGLE-2018-BLG-1489)



    (Position in Stellar Map of star OGLE-2018-BLG-1489 and its Exoplanet OGLE-2018-BLG-1489 b)



    (Zoomed position in Stellar Map of star OGLE-2018-BLG-1489 and its Exoplanet OGLE-2018-BLG-1489 b (zoom level 3))

    (Synthetic Spectrum of star OGLE-2018-BLG-1489*)
    *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