| Extrasolar planet | List of extrasolar planets | |
|---|---|---|
| Parent star | ||
| Star | HD 5319 | |
| Constellation | Cetus | |
| Right ascension | (α) | 00h 55m 01.4005s |
| Declination | (δ) | +00° 47′ 22.392″ |
| Apparent magnitude | (mV) | 8.05 |
| Distance | 326 ly (100 pc) |
|
| Spectral type | K0III | |
| Orbital elements | ||
| Semimajor axis | (a) | 1.74 AU (260 Gm) |
| 17.4 mas | ||
| Periastron | (q) | 1.53 AU (229 Gm) |
| Apastron | (Q) | 1.95 AU (292 Gm) |
| Eccentricity | (e) | 0.12 |
| Orbital period | (P) | 669.37 d (1.8326 y) |
| Argument of periastron |
(ω) | 103±14° |
| Time of periastron | (T0) | 2,453,163 ±30 JD |
| Semi-amplitude | (K) | 39.4 m/s |
| Physical characteristics | ||
| Minimum mass | (m sin i) | 1.94 MJ (617 M⊕) |
| Discovery information | ||
| Discovery date | January 11, 2007 | |
| Discoverer(s) | Robinson et al. | |
| Detection method | Doppler spectroscopy | |
| Discovery site | California & Carnegie Planet Search |
|
| Discovery status | Published | |
| Database references | ||
| Extrasolar Planets Encyclopaedia |
data | |
| SIMBAD | data | |
HD 5319 b is a gas giant exoplanet approximately 326 light years away in the constellation of Cetus. This planet has a minimum mass nearly two times more than Jupiters. The planet has an almost circular orbit, ranging from 1.53 to 1.95 AU with a period of 1.8 years.