Extrasolar planet | List of extrasolar planets | |
---|---|---|
Parent star | ||
Star | HD 86226 | |
Constellation | Hydra | |
Right ascension | (α) | 09h 56m 29.84s |
Declination | (δ) | –24° 05′ 57.8″ |
Apparent magnitude | (mV) | 7.932 |
Distance | 138.55 ± 4.99 ly (42.48 ± 1.53 pc) |
|
Spectral type | G2V | |
Mass | (m) | 1.02 M☉ |
Metallicity | [Fe/H] | -0.04 |
Orbital elements | ||
Semimajor axis | (a) | 2.6 ± 0.4 AU (380 Gm) |
60 mas | ||
Periastron | (q) | 0.7 AU (100 Gm) |
Apastron | (Q) | 4.4 AU (660 Gm) |
Eccentricity | (e) | 0.73 ± 0.21 |
Orbital period | (P) | 1534 ± 280 d (4.20 y) |
Orbital speed | (υ) | 18 km/s |
Argument of periastron |
(ω) | 58 ± 50° |
Time of periastron | (T0) | 24552240 ± 290 JD |
Semi-amplitude | (K) | 37 ± 15 m/s |
Physical characteristics | ||
Minimum mass | (m sin i) | 1.5 ± 1.0 MJ |
Discovery information | ||
Discovery date | January 26, 2010 | |
Discoverer(s) | Arriagada et al. | |
Detection method | Doppler spectroscopy | |
Discovery site | Las Campanas Observatory | |
Discovery status | Published | |
Other designations | ||
Database references | ||
Extrasolar Planets Encyclopaedia |
data | |
SIMBAD | data |
This planet is a eccentric Jupiter gas giant discovered by the Magellan Planet Search Program in 2010.[1]