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Extrasolar planet List of extrasolar planets
Parent star
Star Kepler-41
Right ascension (α) 19h 38m 3.17s
Declination (δ) +45° 58′ 53.97″
Apparent magnitude (mV) 14.465
Distance 2510 ly
(770 pc)
Mass (m) 1.12 M
Radius (r) 1.02 R
Temperature (T) 5620 K
Metallicity [Fe/H] +0.29
Physical characteristics
Mass (m) 0.55 MJ
Radius (r) 0.89 RJ
Bond Albedo (Ab) 0.3
Geometric Albedo (Ag) 0.2
Density (ρ) 1.1 g cm-3
Temperature (T) 1730
Orbital elements
Semimajor axis (a) 0.03 AU
Eccentricity (e) ~0
Orbital period (P) 1.85555800 d
Inclination (i) 88.3°
Discovery information
Discovery date July 29, 2011
Discovery method Transit
Other detection methods Radial velocity,
Reflection/emission modulations,
Ellipsoidal light variations[1]
Discovery status Confirmed

Kepler-41b, formerly known as KOI-196b, is a planet in the orbit of star Kepler-41. It is a hot Jupiter with about the density of water. It reflects about a third of the starlight it receives.