Imaginary Picture of Kepler-285 c

Display orbital revolution of Kepler-285 c around the hoststar Kepler-285
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Exoplanet Name : Kepler-285 c
Alternate Name : "2MASS J19253381+4803561 c, K01305.02, KIC 10730034 c, KOI-1305 c, KOI-1305.02, WISE J192533.80+480356.0 c"
Status : Confirmed
Radius (Rjup / Re): 0.1000 (Rjup) 1.1209 (Rearth)
Mass (Mjup / Me): 0.0046 (Mjup) 1.4743 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.0640 (AU) 0.0640 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0169
Orbital Period(Observed/Estimated) 6.19 (Days Obs.) 6.41 (Days Est.)
Surface Gravity (G Earth) 1.1735
Star Radiation at Atmospheric Boundary: 173789.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 911.3 (K)
Blackbody T 0.3(K) 855.8 (K)
Blackbody T 0.7(K) 692.4 (K)
Tidally Locked Blackbody T 0.1(K) 1083.7 (K)
Tidally Locked Blackbody T 0.3(K) 1017.7 (K)
Size Class: Earth-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-285
Alternate Name : "2MASS J19253381+4803561, KIC 10730034, KOI-1305, WISE J192533.80+480356.0"
Star Distance(LY) : 2688.4
Stellar Radius(Rsun) : 0.9 (Rsun Measured)
Stellar Mass(Msun) : 0.8 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5296 (K)
Spectral type : G7
UV portion[%]: 5.8
Visible portion[%]: 41.4
IR portion[%]: 52.8
Metalicity : -0.1
Absolute Magnitude: 4.3
Apparent Magnitude: 13.9
Right Ascension(RA) 291.3909
Declination (DEC) 48.0656
Hubble Space Telescope Guide Star Catalog (GSC) ID
Discovered by
Discovery Paper - Authors 0
Discovery Paper - Title
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=Kepler-285+&submit=SIMBAD+search
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-285%20c/
Kepler-285 c
Kepler-285 c

  • Kepler-285 c is an exoplanet orbiting the star Kepler-285, located about 2688.4 light-years (824.3 pc) away from Solar System. Its discovery was publicly announced on 2014.
  • The host star Kepler-285 has apparent magnitude of 13.9, with absolute magnitude of 4.3.
  • It is 0.8 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5296 with its spectral types of G7
  • In this planetary system, the extrasolar planet Kepler-285 c orbits around the star Kepler-285 every 6.2 days with its orbital distance of 0.06 AU ( 9574263.7 km)
  • (Projected orbit of Kepler-285 c around its host star Kepler-285)


  • The Star Kepler-285 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.522 AU ( 78081334.8 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.721 AU ( 107928809.8 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.099 AU ( 164459621.6 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.618 AU ( 242009537.7 km)
  • Radiation at Planetary Boundary of Kepler-285 c : 173789.32 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-285)



  • Kopparapu Recent Venus for Star Kepler-285 distance : 0.556 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-285 distance : 0.704 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-285 distance : 0.680 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-285 distance : 0.746 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-285 distance : 1.262 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-285 distance : 1.331 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-285)



  • Original Kopparapu Recent Venus for Star Kepler-285 distance : 0.552 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-285 distance : 0.725 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-285 distance : 0.731 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-285 distance : 1.284 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-285 distance : 1.335 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-285)



    (Position in Stellar Map of star Kepler-285 and its Exoplanet Kepler-285 c)



    (Zoomed position in Stellar Map of star Kepler-285 and its Exoplanet Kepler-285 c (zoom level 3))

    (Synthetic Spectrum of star Kepler-285*)
    *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