HD 86081 b
| Extrasolar planet | List of extrasolar planets | |
|---|---|---|
 | ||
| Parent star | ||
| Star | HD 86081 | |
| Constellation | Sextans | |
| Right ascension | (α) | 09h 56m 05.9183s |
| Declination | (δ) | –03° 48′ 30.318″ |
| Distance | 297 ly (91 pc) | |
| Spectral type | F8V | |
| Orbital elements | ||
| Semimajor axis | (a) | 0.035 AU (5.2 Gm) |
| 0.43 mas | ||
| Periastron | (q) | 0.035 AU (5.2 Gm) |
| Apastron | (Q) | 0.035 AU (5.2 Gm) |
| Eccentricity | (e) | 0.008 ± 0.004 |
| Orbital period | (P) | 2.1375 ± 0.0002 d (0.0058521 y) |
| Orbital speed | (υ) | 179 km/s |
| Argument of periastron |
(ω) | 251 ± 40° |
| Time of periastron | (T0) | 2453694.8 ± 0.3 JD |
| Semi-amplitude | (K) | 207.7 ± 0.8 m/s |
| Physical characteristics | ||
| Minimum mass | (m sin i) | 1.50 MJ (477 M⊕) |
| Discovery information | ||
| Discovery date | April 17, 2006 | |
| Discoverer(s) | Johnson et al.[1] | |
| Discovery method | radial velocity (N2K Consortium) | |
| Discovery site | California | |
| Discovery status | Published | |
| Database references | ||
| Extrasolar Planets Encyclopaedia | data | |
| SIMBAD | data | |
| Exoplanet Archive | data | |
| Open Exoplanet Catalogue | data | |
HD 86081 b is a gas giant exoplanet that orbits close to its host star, completing its orbit for only 2.1375 days. With such a short orbit, it belongs to class of exoplanets known as hot Jupiters. Like most hot Jupiters, the orbit is nearly circular, with an eccentricity of 0.008.[1]
References
- ↑ 1.0 1.1 Johnson, John Asher et al. (2006). "The N2K Consortium. VI. Doppler Shifts without Templates and Three New Short-Period Planets". The Astrophysical Journal 647 (1): 600–611. arXiv:astro-ph/0604348. Bibcode:2006ApJ...647..600J. doi:10.1086/505173.
External links
- "HD 86081". Exoplanets.
Coordinates: 
09h 56m 05.9183s, −03° 48′ 30.318″