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A diagram of the Kepler-25 System, compared to our Inner Solar System.
Observation data
Epoch J2000      Equinox J2000
Constellation Lyra[1]
Right ascension 18h 59m 45.839s
Declination +46° 33′ 59.54″
Apparent magnitude (V) 15.473[2]
Spectral type K[3]
Distance 1591[3] ly
(488 pc)
Mass 0.65[2] M
Radius 0.59[2] R
Luminosity 0.1[2] L
Temperature 4500[2] K
Metallicity [Fe/H] -0.21[2] dex
Rotational velocity (v sin i) 1.9[2] km/s
Other designations

Kepler-26 is a star in the northern constellation of Lyra. It is located at the celestial coordinates: Right Ascension 18h 59m 45.839s Declination +46° 33′ 59.54″.[4] With an apparent visual magnitude of 15.5,[2] this star is too faint to be seen with the naked eye.

The Kepler-26 system[3]
(in order from star)
Mass Semimajor axis
Orbital period
Eccentricity Inclination Radius
b 0.38 MJ 0.085 12.2829 3.59 R
c 0.38 MJ 0.107 17.2513 3.58 R


  1. ^ "Lyra – constellation boundary", The Constellations, International Astronomical Union, retrieved 2011-12-15 
  2. ^ a b c d e f g h Kepler-26b, NASA Ames Research Center, retrieved 2011-12-06 
  3. ^ a b c Schneider, Jean, "Star: Kepler-26", Extrasolar Planets Encyclopaedia (Paris Observatory), retrieved 2013-12-18 
  4. ^ "Kepler Discoveries". 2011-12-05. 

Coordinates: Sky map 18h 59m 45.839s, +46° 33′ 59.54″