47 UMa c

47 UMa c Image

Description: 47 Ursae Majoris c, formally named Taphao Kaew is an extrasolar planet approximately 46 light-years from Earth in the constellation of Ursa Major. The planet was discovered located in a long-period around the star 47 Ursae Majoris. Its orbit lasts 6.55 years and the planet has a mass at least 0.540 times that of Jupiter.

Physical Properties

Mass (Jupiter mass): Unknown

Radius (Jupiter radius): 1.27 RJ

Density: 0.329 g/cm³

Equilibrium Temperature: Unknown

Orbital Parameters

Orbital Period: 2391.0 days

Semi-major Axis: 3.6 AU

Eccentricity: 0.098

Inclination: Unknown

Host Star Properties

Host Star: 47 UMa

Spectral Type: G1 V

Temperature: 5872.0 K

Stellar Mass: 1.06 M☉

Stellar Radius: 1.21 R☉

Discovery Information

Planet Letter: c

Object ID: 3.10917

Host ID: 2.56295

Discovery Date: 2002-01

Discovery Year: 2001

Discovery Method: Radial Velocity

Discovery Locale: Ground

Discovery Facility: Lick Observatory

Discovery Instrument: Hamilton Echelle Spectrograph

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