HD 222582 b

HD 222582 b
Exoplanet List of exoplanets
Parent star
Star HD 222582
Constellation Aquarius
Right ascension (α) 23h 41m 51.5299s
Declination (δ) –05° 59′ 08.726″
Distance136.8 ly
(41.95 pc)
Spectral type G5V
Orbital elements
Semi-major axis(a) 1.35 AU
(202 Gm)
Periastron (q) 0.327 AU
(48.9 Gm)
Apastron (Q) 2.37 AU
(355 Gm)
Eccentricity (e) 0.76
Orbital period(P) 572 d
(1.57 y)
Orbital speed (υ) 25.7 km/s
Argument of
periastron		 (ω) 293°
Time of periastron (T0) 2,450,174.8 JD
Semi-amplitude (K) 276.6 m/s
Physical characteristics
Minimum mass(m sin i)7.75 MJ
Discovery information
Discovery date 1999
Discoverer(s) Vogt et al.
Discovery method radial velocity
Discovery site California and
Carnegie Planet Search
 USA
Discovery status Published
Database references
Extrasolar Planets
Encyclopaedia		data
SIMBADdata
Exoplanet Archivedata
Open Exoplanet Cataloguedata

HD 222582 b is an extrasolar planet over 7 times the mass of Jupiter orbiting the star HD 222582. The orbital period is 572 days and orbits at a semimajor axis of 1.35 AU in one of the most eccentric orbits of any known planets.

See also

References

    Coordinates: 23h 41m 51.5299s, −05° 59′ 08.726″


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