HD 222582 b
From Infogalactic: the planetary knowledge core
| Exoplanet | List of exoplanets | |
|---|---|---|
| Parent star | ||
| Star | HD 222582 | |
| Constellation | Aquarius | |
| Right ascension | (α) | 23h 41m 51.5299s |
| Declination | (δ) | –05° 59′ 08.726″ |
| Distance | 136.8 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 | |
| SIMBAD | data | |
| Exoplanet Archive | data | |
| Open Exoplanet Catalogue | data | |
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
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External links
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Coordinates: 
23h 41m 51.5299s, −05° 59′ 08.726″
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