| Extrasolar planet | List of extrasolar planets | |
|---|---|---|
| Parent star | ||
| Star | HD 147018 | |
| Constellation | Triangulum Australe | |
| Right ascension | (α) | 16h 23m 00.1463s |
| Declination | (δ) | −61° 41′ 19.542″ |
| Apparent magnitude | (mV) | 8.4 |
| Distance | 140.12 ± 5.2 ly (42.96 ± 1.6 pc) |
|
| Spectral type | G9V | |
| Orbital elements | ||
| Semimajor axis | (a) | 1.922 ± 0.039 AU |
| Periastron | (q) | 1.666 AU |
| Apastron | (Q) | 2.178 AU |
| Eccentricity | (e) | 0.133 ± 0.011 |
| Orbital period | (P) | 1008 ± 18 d (2.76 ± 0.049 y) |
| Argument of periastron |
(ω) | -133.1 ± 6.9° |
| Time of periastron | (T0) | 55301 ± 22 JD |
| Physical characteristics | ||
| Minimum mass | (m sin i) | 6.56 ± 0.32 MJ |
| Discovery information | ||
| Discovery date | August 11, 2009 | |
| Discoverer(s) | Segransan et al. | |
| Detection method | radial velocity (CORALIE) | |
| Discovery site | La Silla Observatory | |
| Discovery status | Published | |
| Other designations | ||
|
HIP 80250 c
|
||
| Database references | ||
| Extrasolar Planets Encyclopaedia |
data | |
| SIMBAD | data | |
HD 147018 c is a gas giant extrasolar planet which orbits the G-type main sequence star HD 147018, located approximately 140 light years away in the constellation Triangulum Australe. It has mass at least six and a half time more than Jupiter and orbits the twice nearly twice the distance between the Earth and the Sun. This planet is eight times farther away than HD 147018 b. This planet was discovered on August 11, 2009 by radial velocity method.