HD 24496 Ab

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HD 24496 Ab
Exoplanet List of exoplanets
Parent star
Star HD 24496 A
Constellation Taurus
Right ascension (α) 03h 54m 28.0332s
Declination (δ) +16° 36′ 57.793″
Distance 66.59 ly
(20.42 pc)
Spectral type G5
Mass (m) 0.95 M
Orbital elements
Semi-major axis (a) 2.59±0.06 AU
(387 Gm)
    52.8 mas
Periastron (q) 1.81 AU
(270 Gm)
Apastron (Q) 3.37 AU
(504 Gm)
Eccentricity (e) 0.30±0.15
Orbital period (P) 1570±51 d
(4.30 y)
Orbital speed (υ) 18.0 km/s
Argument of
(ω) 201±45°
Time of periastron (T0) 23169 JD
Semi-amplitude (K) 6.2±1.0 m/s
Physical characteristics
Minimum mass (m sin i) 0.32±0.05 MJ
Discovery information
Discovery date November 13, 2009
Discoverer(s) Howard et al.
Discovery method Radial velocity
Discovery site Keck Observatory
Discovery status Submitted
Other designations
BD+16°527 b, HIP 18267 b, GJ 3255 b
Database references
Extrasolar Planets
Exoplanet Archive data
Open Exoplanet Catalogue data

HD 24496 Ab, or simply HD 24496 b, (also known as HIP 18267 b) is an extrasolar planet which orbits the G-type star HD 24496 A, located approximately 66.5 light years away in the constellation Taurus.[1] This is a wide-orbiting saturnian planet discovered on November 13, 2009. The orbital distance for this planet ranges from 1.81 AU to 3.37 AU.[citation needed]

See also[edit]

Other planets that were discovered or confirmed on November 13, 2009:


Coordinates: Sky map 03h 54m 28.0332s, +16° 36′ 57.793″