Imaginary Picture of Kepler-10 d

Display orbital revolution of Kepler-10 d around the hoststar Kepler-10
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Exoplanet Name : Kepler-10 d
Alternate Name :
Status : Confirmed
Radius (Rjup / Re): 0.2076 (Rjup) 2.3272 (Rearth)
Mass (Mjup / Me): 0.0399 (Mjup) 12.6857 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.5380 (AU) 0.5380 (AU Est.)
Eccentricity : 0.2600
Orbital Period(Yrs) 0.4135
Orbital Period(Observed/Estimated) 151.04 (Days Obs.) 151.09 (Days Est.)
Surface Gravity (G Earth) 2.3423
Star Radiation at Atmospheric Boundary: 5053.4 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 376.3 (K)
Blackbody T 0.3(K) 353.4 (K)
Blackbody T 0.7(K) 285.9 (K)
Tidally Locked Blackbody T 0.1(K) 447.5 (K)
Tidally Locked Blackbody T 0.3(K) 420.3 (K)
Size Class: sub-Neptune-size
Mass Class:
Detection Type : Radial Velocity
Mass Detection : Radial Velocity
Radius Detection :
Habitability by Solar Eq. Astronomical Unit: Not habitable
Habitability by Kopparapu: Not habitable
Star Name : Kepler-10
Alternate Name : "2MASS J19024305+5014286, KIC 11904151, KOI-72, WISE J190243.03+501429.1"
Star Distance(LY) : 608.3
Stellar Radius(Rsun) : 1.1 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 10.6 (GY)
Temperature : 5708 (K)
Spectral type : G
UV portion[%]: 7.6
Visible portion[%]: 44.4
IR portion[%]: 47.9
Metalicity : -0.1
Absolute Magnitude: 4.8
Apparent Magnitude: 11.2
Right Ascension(RA) 285.6794
Declination (DEC) 50.2413
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-10 d
Kepler-10 d

  • Kepler-10 d is an exoplanet orbiting the star Kepler-10, located about 608.3 light-years (186.5 pc) away from Solar System. Its discovery was publicly announced on 2023.
  • The host star Kepler-10 has apparent magnitude of 11.2, with absolute magnitude of 4.8.
  • It is 0.9 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5708 with its spectral types of G
  • In this planetary system, the extrasolar planet Kepler-10 d orbits around the star Kepler-10 every 151.0 days with its orbital distance of 0.54 AU ( 80483654.4 km)
  • (Projected orbit of Kepler-10 d around its host star Kepler-10)


  • The Star Kepler-10 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.748 AU ( 111926238.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 1.034 AU ( 154711310.7 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 1.576 AU ( 235745800.0 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 2.319 AU ( 346910272.0 km)
  • Radiation at Planetary Boundary of Kepler-10 d : 5053.45 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-10)



  • Kopparapu Recent Venus for Star Kepler-10 distance : 0.779 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-10 distance : 0.986 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-10 distance : 0.952 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-10 distance : 1.044 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-10 distance : 1.745 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-10 distance : 1.840 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-10)



  • Original Kopparapu Recent Venus for Star Kepler-10 distance : 0.779 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-10 distance : 1.014 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-10 distance : 1.030 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-10 distance : 1.775 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-10 distance : 1.846 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-10)



    (Position in Stellar Map of star Kepler-10 and its Exoplanet Kepler-10 d)



    (Zoomed position in Stellar Map of star Kepler-10 and its Exoplanet Kepler-10 d (zoom level 3))

    (Synthetic Spectrum of star Kepler-10*)
    *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