HD 23127 b

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HD 23127 b
Exoplanet List of exoplanets
Parent star
Star HD 23127
Constellation Reticulum
Right ascension (α) 03h 39m 23.639s
Declination (δ) –60° 04′ 40.230″
Apparent magnitude (mV) 8.58
Distance 290.73 ly
(89.14 pc)
Spectral type G2V
Orbital elements
Semi-major axis (a) 2.29 AU
(343 Gm)
    25.7 mas
Periastron (q) 1.28 AU
(192 Gm)
Apastron (Q) 3.30 AU
(493 Gm)
Eccentricity (e) 0.44 ± 0.07
Orbital period (P) 1214 ± 9 d
(3.32 y)
Argument of
periastron
(ω) 190 ± 6°
Time of periastron (T0) 2,400,229 ± 19 JD
Semi-amplitude (K) 27.5 ± 1 m/s
Physical characteristics
Minimum mass (m sin i) 1.37 MJ
Discovery information
Discovery date February 9, 2007
Discoverer(s) O'Toole et al.
Discovery method radial velocity
Discovery site  Australia
Discovery status Published
Database references
Extrasolar Planets
Encyclopaedia
data
SIMBAD data
Exoplanet Archive data
Open Exoplanet Catalogue data

HD 23127 b is a jovian extrasolar planet orbiting the star HD 23127 at the distance of 2.29 AU, taking 3.32 years to orbit. The orbit is very eccentric, a so-called "eccentric Jupiter". At periastron, the distance is 1.28 AU, and at apastron, the distance is 3.30 AU. The mass is at least 1.37 times Jupiter. Only the minimum mass is known because the inclination is not known.[1]

References

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Coordinates: Sky map 03h 39m 23.639s, −60° 04′ 40.230″

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