| Extrasolar planet | List of extrasolar planets | |
|---|---|---|
| Parent star | ||
| Star | HD 11506 | |
| Constellation | Cetus | |
| Right ascension | (α) | 01h 52m 50.5339s |
| Declination | (δ) | -19° 30′ 25.107″ |
| Apparent magnitude | (mV) | 7.51 |
| Distance | 175.54 ly (53.82 pc) |
|
| Spectral type | G0V | |
| Mass | (m) | 1.19 ± 0.10 M☉ |
| Radius | (r) | 1.38 ± 0.15 R☉ |
| Temperature | (T) | 6058 ± 51 K |
| Metallicity | [Fe/H] | 0.31 ± 0.03 |
| Age | 5.4 ± 1.6 Gyr | |
| Orbital elements | ||
| Semimajor axis | (a) | 2.43+0.24 −0.12 AU |
| Periastron | (q) | 1.90 AU |
| Apastron | (Q) | 2.96 AU |
| Eccentricity | (e) | 0.22+0.25 −0.12 |
| Orbital period | (P) | 1270+200 −95 d (3.48+0.55 −0.26 y) |
| Argument of periastron |
(ω) | 4.5+0.6 −0.7° |
| Time of periastron | (T0) | 2453666.3 ± 102 JD |
| Semi-amplitude | (K) | 84.2 ± 3 m/s |
| Physical characteristics | ||
| Minimum mass | (m sin i) | 3.44+0.9 −0.47 MJ |
| Discovery information | ||
| Discovery date | April 10, 2007 | |
| Discoverer(s) | Fischer et al. | |
| Detection method | Radial velocity | |
| Discovery site | California, United States | |
| Discovery status | Published | |
| Database references | ||
| Extrasolar Planets Encyclopaedia |
data | |
| SIMBAD | data | |
HD 11506 b is an extrasolar planet that orbits the star HD 11506 176 light years away in the constellation of Cetus. This planet was discovered on April 10, 2007 by Debra Fischer, who used N2K Consortium in California, United States to detect wobbling of the star caused by the planet’s gravity.