Imaginary Picture of Kepler-1885 b

Display orbital revolution of Kepler-1885 b around the hoststar Kepler-1885
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Exoplanet Name : Kepler-1885 b
Alternate Name : "KOI-2919 b, KOI-2919.01"
Status : Confirmed
Radius (Rjup / Re): 0.1348 (Rjup) 1.5111 (Rearth)
Mass (Mjup / Me): 0.0138 (Mjup) 4.3730 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0360 (AU) 0.0360 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0069
Orbital Period(Observed/Estimated) 2.52 (Days Obs.) 2.62 (Days Est.)
Surface Gravity (G Earth) 1.9151
Star Radiation at Atmospheric Boundary: 699108.7 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 1290.6 (K)
Blackbody T 0.3(K) 1212.0 (K)
Blackbody T 0.7(K) 980.6 (K)
Tidally Locked Blackbody T 0.1(K) 1534.7 (K)
Tidally Locked Blackbody T 0.3(K) 1441.3 (K)
Size Class: super-Earth-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 : Kepler-1885
Alternate Name : "KIC 10332213, KOI-2919"
Star Distance(LY) : 2669.5
Stellar Radius(Rsun) : 1.0 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 1.0 (Msun Estimated)
Star Age : 0.9 (GY)
Temperature : 5280 (K)
Spectral type : G8V
UV portion[%]: 5.6
Visible portion[%]: 41.2
IR portion[%]: 53.1
Metalicity : 0.1
Absolute Magnitude: 5.3
Apparent Magnitude: 14.8
Right Ascension(RA) 288.7507
Declination (DEC) 47.4909
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
Kepler-1885 b
Kepler-1885 b

  • Kepler-1885 b is an exoplanet orbiting the star Kepler-1885, located about 2669.5 light-years (818.5 pc) away from Solar System. Its discovery was publicly announced on 2017.
  • The host star Kepler-1885 has apparent magnitude of 14.8, with absolute magnitude of 5.3.
  • It is 0.9 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5280 with its spectral types of G8V
  • In this planetary system, the extrasolar planet Kepler-1885 b orbits around the star Kepler-1885 every 2.5 days with its orbital distance of 0.04 AU ( 5385523.3 km)
  • (Projected orbit of Kepler-1885 b around its host star Kepler-1885)


  • The Star Kepler-1885 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.589 AU ( 88090803.9 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.814 AU ( 121764511.9 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.240 AU ( 185542169.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.825 AU ( 273033430.7 km)
  • Radiation at Planetary Boundary of Kepler-1885 b : 699108.74 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1885)



  • Kopparapu Recent Venus for Star Kepler-1885 distance : 0.628 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1885 distance : 0.795 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1885 distance : 0.768 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1885 distance : 0.843 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1885 distance : 1.426 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1885 distance : 1.504 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1885)



  • Original Kopparapu Recent Venus for Star Kepler-1885 distance : 0.623 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1885 distance : 0.819 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1885 distance : 0.825 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1885 distance : 1.450 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1885 distance : 1.508 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1885)



    (Position in Stellar Map of star Kepler-1885 and its Exoplanet Kepler-1885 b)



    (Zoomed position in Stellar Map of star Kepler-1885 and its Exoplanet Kepler-1885 b (zoom level 3))

    (Synthetic Spectrum of star Kepler-1885*)
    *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