Imaginary Picture of Kepler-253 d
/
Exoplanet Name : Kepler-253 d
Alternate Name :
Radius (Rjup / Re): 0.2830 (Rjup) 3.1721 (Rearth)
Mass (Mjup / Me): 0.0243 (Mjup) 7.7192 (Mearth)
Semi Major Axis / Orbital Distance Calculated 0.1300 (AU) 0.1300 (AU Est.)
Eccentricity : 0.0000
Orbital Period(Yrs) 0.0496
Orbital Period(Observed/Estimated) 18.12 (Days Obs.) 17.95 (Days Est.)
Star Radiation at Atmospheric Boundary: 33316.3 (W/m2)
Measured Temperature (K) 0.0 (K)
Blackbody T 0.1(K) 603.0 (K)
Blackbody T 0.3(K) 566.3 (K)
Blackbody T 0.7(K) 458.2 (K)
Tidally Locked Blackbody T 0.1(K) 717.1 (K)
Tidally Locked Blackbody T 0.3(K) 673.4 (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-253
Alternate Name :
Star Distance(LY) : 0.0
Stellar Radius(Rsun) : 0.8 (Rsun Measured)
Stellar Mass(Msun) : 0.9 (Msun Measured) 0.9 (Msun Estimated)
Star Age : 0.0 (GY)
Temperature : 5208 (K)
Spectral type : K0
Metalicity : 0.1
Absolute Magnitude: 25.0
Apparent Magnitude: 14.1
Right Ascension(RA) 291.8420
Declination (DEC) 44.8581
Hubble Space Telescope Guide Star Catalog (GSC) ID 0
Discovered by
Discovery Paper - Authors 0
Discovery Paper - Title
Discovery Paper - Journal 0
Discovery Paper - URL 0
SIMBAD LINK 0
Open Exoplanet Database Link http://www.openexoplanetcatalogue.com/planet/Kepler-253%20d/
Kepler-253 d
Kepler-253 d

  • Kepler-253 d is an exoplanet orbiting the star Kepler-253. Its discovery was publicly announced on 2014.
  • The host star Kepler-253 has apparent magnitude of 14.1, with absolute magnitude of 25.0.
  • It is 0.9 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5208 with its spectral types of K0
  • In this planetary system, the extrasolar planet Kepler-253 d orbits around the star Kepler-253 every 18.1 days with its orbital distance of 0.13 AU ( 19447723.2 km)
  • (Projected orbit of Kepler-253 d around its host star Kepler-253)


  • The Star Kepler-253 's habitable zone is located at the following distance
  • Inner Boundary (the orbital distance at Venus's Equivalent Radiation ) : 0.464 AU ( 69442789.0 km)
  • Earth Boundary (the orbital distance at Earth's Equivalent Radiation) : 0.642 AU ( 95988082.0 km)
  • Outer Boundary (the orbital distance at Mars's Equivalent Radiation) : 0.978 AU ( 146264594.8 km)
  • Snow Line (the orbital distance at Snow Line Equivalent Radiation) : 1.439 AU ( 215234758.7 km)
  • Radiation at Planetary Boundary of Kepler-253 d : 33316.26 W/m2

    (Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Kepler-253)



  • Kopparapu Recent Venus for Star Kepler-253 distance : 0.497 AU
  • Kopparapu Runaway Greenhouse for Earth-sized planet for Star Kepler-253 distance : 0.629 AU
  • Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Kepler-253 distance : 0.608 AU
  • Kopparapu Runaway Greenhouse for Mars-sized planet for Star Kepler-253 distance : 0.667 AU
  • Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-253 distance : 1.131 AU
  • Kopparapu Outer Boundary for Early Mars for Star Kepler-253 distance : 1.193 AU

    (Habitable zone calculated based on Kopparapu et al.(2013) around the star Kepler-253)



  • Original Kopparapu Recent Venus for Star Kepler-253 distance : 0.493 AU
  • Original Kopparapu Runaway Greenhouse for Star Kepler-253 distance : 0.648 AU
  • Original Kopparapu Moist Greenhouse for Star Kepler-253 distance : 0.652 AU
  • Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Kepler-253 distance : 1.151 AU
  • Original Kopparapu Outer Boundary for Early Mars for Star Kepler-253 distance : 1.197 AU

    (Habitable zone calculated based on Kopparapu et al.(Original) around the star Kepler-253)



    (Position in Stellar Map of star Kepler-253 and its Exoplanet Kepler-253 d)



    (Zoomed position in Stellar Map of star Kepler-253 and its Exoplanet Kepler-253 d (zoom level 3))