Imaginary Picture of Kepler-1085 c

Display orbital revolution of Kepler-1085 c around the hoststar Kepler-1085
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Exoplanet Name : Kepler-1085 c
Alternate Name : "2MASS J19095463+4608282 c, K02076.01, KIC 9517393 c, KOI-2076 c, KOI-2076.01, WISE J190954.63+460828.2 c"
Status : Confirmed
Radius (Rjup / Re): 0.2920 (Rjup) 3.2730 (Rearth)
Mass (Mjup / Me): 0.0250 (Mjup) 7.9472 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0000 (AU) 0.2993 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.1554
Orbital Period(Observed/Estimated) 56.78 (Days Obs.) 0.00 (Days Est.)
Surface Gravity (G Earth) 0.7419
Star Radiation at Atmospheric Boundary: 23051.2 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 549.9 (K)
Blackbody T 0.3(K) 516.5 (K)
Blackbody T 0.7(K) 417.9 (K)
Tidally Locked Blackbody T 0.1(K) 654.0 (K)
Tidally Locked Blackbody T 0.3(K) 614.2 (K)
Size Class: Neptune-size
Mass Class:
Detection Type : Primary Transit
Mass Detection :
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : Kepler-1085
Alternate Name : "2MASS J19095463+4608282, KIC 9517393, KOI-2076, WISE J190954.63+460828.2"
Star Distance(LY) : 4951.0
Stellar Radius(Rsun) : 1.1 (Rsun Measured)
Stellar Mass(Msun) : 1.1 (Msun Measured) 1.1 (Msun Estimated)
Star Age : 3.4 (GY)
Temperature : 6000 (K)
Spectral type : G0
UV portion[%]: 0.3
Visible portion[%]: 1.5
IR portion[%]: 98.2
Metalicity : 0.1
Absolute Magnitude: 3.3
Apparent Magnitude: 14.2
Right Ascension(RA) 287.4776
Declination (DEC) 46.1412
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=Kepler-1085+&submit=SIMBAD+search
Open Exoplanet Database Link
Kepler-1085 c
Kepler-1085 c

  • Kepler-1085 c is an exoplanet orbiting the star Kepler-1085, located about 4951.0 light-years (1518.0 pc) away from Solar System. Its discovery was publicly announced on 2020.
  • The host star Kepler-1085 has apparent magnitude of 14.2, with absolute magnitude of 3.3.
  • It is 1.1 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 6000 with its spectral types of G0
  • In this planetary system, the extrasolar planet Kepler-1085 c orbits around the star Kepler-1085 every 56.8 days with its orbital distance of 0.30 AU ( 44780443.7 km)
  • (Projected orbit of Kepler-1085 c around its host star Kepler-1085)


  • The Star Kepler-1085 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.889 AU ( 133004233.5 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.229 AU ( 183846608.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.873 AU ( 280141546.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.756 AU ( 412240558.1 km)
  • Radiation at Planetary Boundary of Kepler-1085 c : 23051.20 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-1085)



  • Kopparapu Recent Venus for Star Kepler-1085 distance : 0.909 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-1085 distance : 1.151 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-1085 distance : 1.112 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-1085 distance : 1.219 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1085 distance : 2.022 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-1085 distance : 2.133 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-1085)



  • Original Kopparapu Recent Venus for Star Kepler-1085 distance : 0.915 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-1085 distance : 1.182 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-1085 distance : 1.210 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-1085 distance : 2.058 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-1085 distance : 2.140 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-1085)



    (Position in Stellar Map of star Kepler-1085 and its Exoplanet Kepler-1085 c)



    (Zoomed position in Stellar Map of star Kepler-1085 and its Exoplanet Kepler-1085 c (zoom level 3))

    (Synthetic Spectrum of star Kepler-1085*)
    *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