HD 72659 b
| Extrasolar planet | List of extrasolar planets | |
|---|---|---|
| Parent star | ||
| Star | HD 72659 | |
| Constellation | Hydra | |
| Right ascension | (α) | 08h 34m 03.1895s |
| Declination | (δ) | −01° 34′ 05.583″ |
| Distance | 168 ly (51.4 pc) | |
| Spectral type | G0V | |
| Orbital elements | ||
| Semimajor axis | (a) | 4.77 AU |
| Periastron | (q) | 3.49 AU |
| Apastron | (Q) | 6.05 AU |
| Eccentricity | (e) | 0.269±0.038 |
| Orbital period | (P) | 3630±230 d (9.94 y) |
| Orbital speed | (υ) | 14.3 km/s |
| Argument of periastron |
(ω) | 258±13° |
| Time of periastron | (T0) | 2451678±89 JD |
| Semi-amplitude | (K) | 42.5±1.2 m/s |
| Physical characteristics | ||
| Mass | (m) | >3.30±0.18 MJ (>1050 M⊕) |
| Discovery information | ||
| Discovery date | 13 June 2002 | |
| Discoverer(s) | Butler, Marcy, Vogt, and Fischer | |
| Discovery method | Doppler spectroscopy | |
| Discovery site | Keck Observatory, Hawaii, USA | |
| Discovery status | Published | |
| Other designations | ||
| HIP 42030 b | ||
| Database references | ||
| Extrasolar Planets Encyclopaedia | data | |
| SIMBAD | data | |
| Exoplanet Archive | data | |
| Open Exoplanet Catalogue | data | |
HD 72659 b is a superjovian exoplanet[1] massing at least 3.3 MJ orbiting at 4.77 AU from the star taking 3630 days to orbit. The orbital distance range from 3.49 AU to 6.05 AU with orbital eccentricity of 0.269.
See also
References
- ↑ Butler, R. Paul et al. (2003). "Seven New Keck Planets Orbiting G and K Dwarfs". The Astrophysical Journal 582 (1): 455–466. Bibcode:2003ApJ...582..455B. doi:10.1086/344570.
External links
- "HD 72659". Exoplanets.
Coordinates: 
08h 34m 03.1895s, −01° 34′ 05.583″