HD 10647 b

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HD 10647 b
Extrasolar planet List of extrasolar planets
Parent star
Star HD 10647
Constellation Eridanus
Right ascension (α) 1h 42m 29.32s
Declination (δ) −53° 44′ 27.00″
Distance 56.57 ly (17.35 pc)
Spectral type F9V
Orbital elements
Semimajor axis (a) 2.03±0.15 AU
Eccentricity (e) 0.16±0.22
Orbital period (P) 1003±56 d
Angular distance (θ) 121 mas
Longitude of
periastron
(ω) 68±17°
Time of periastron (T0) 2452261±47 JD
Semi-amplitude (K) 17.9±4.6 m/s
Physical characteristics
Mass (m) >0.93±0.18 MJ
Radius (r) ~0.988 RJ
Temperature (T) ~194 K
Discovery information
Discovery date 30 June 2003
Discoverer(s) Mayor et al.
Detection method Doppler Spectroscopy
Discovery site Flag of France France
Discovery status Likely
Other designations
q1 Eridani b

HD 10647 b, also cataloged as q1 Eridani b, is an extrasolar planet approximately 57 light-years away in the constellation of Eridanus (the River). The planet is a mid-Jovian that orbits 103% farther from the star than Earth to the Sun. It takes about 33 months to orbit with semi-amplitude of 17.9 m/s.

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