HD 10647 b

From Wikipedia, the free encyclopedia
Jump to navigation Jump to search
HD 10647 b
Exoplanet List of exoplanets
Parent star
Star HD 10647
Constellation Eridanus
Right ascension (α) 1h 42m 29.32s
Declination (δ) −53° 44′ 27.00″
Apparent magnitude (mV) 5.52
Distance 56.57 ly
(17.35 pc)
Spectral type F9V
Orbital elements
Semi-major axis (a) 2.03 ± 0.15 AU
Eccentricity (e) 0.16 ± 0.22
Orbital period (P) 1003 ± 56 d
Argument of
(ω) 68 ± 17°
Time of periastron (T0) 2452261 ± 47 JD
Semi-amplitude (K) 17.9 ± 4.6 m/s
Physical characteristics
Minimum mass (m sin i) 0.93±0.18 MJ
Discovery information
Discovery date 30 June 2003
Discoverer(s) Mayor et al.
Discovery method Doppler Spectroscopy
Discovery site France Paris, France
Discovery status Likely
Other designations
q1 Eridani b
Database references
Extrasolar Planets
Exoplanet Archive data
Open Exoplanet Catalogue data

HD 10647 b, also catalogued 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.[1]

See also[edit]


  1. ^ Butler, R. P.; et al. (2006). "Catalog of Nearby Exoplanets". The Astrophysical Journal. 646 (1): 505–522. arXiv:astro-ph/0607493Freely accessible. Bibcode:2006ApJ...646..505B. doi:10.1086/504701. 

External links[edit]

Coordinates: Sky map 01h 42m 29.32s, −53° 44′ 27.00″