Planet HD 22781 b
| Name | HD 22781 b | |
| Discovered in | 2011 | |
| M × sin i | 13.65 ± 0.97 MJ |  |
| Semi-major axis | 1.167 ± 0.039 AU | |
| Orbital period | 528.07 ± 0.14 days | |
| Eccentricity | 0.8191 ± 0.0023 | |
| ω | -44.08 ± 0.56 | |
| Tperi | 2.45488e+06 ± 0.12 | |
| Radius | — | |
| Inclination | — | |
| Update | Nov. 4, 2011 | |
| Detection method | detected by radial velocity | |
| Molecules detected | — |
Star
| Name | HD 22781 | |
| Distance | 31.79 pc | |
| Spectral type | K0V | |
| Apparent magnitude V | 8.77 | |
| Mass | 0.75 ± 0.03 MSun | |
| Age | 4.75 ± 4.15 Gyr | |
| Effective temperature | 5027 ± 50 K | |
| Radius | RSun | |
| Metallicity [Fe/H] | -0.37 ± 0.12 | |
| RA2000 | 03:40:50.0 | |
| Dec2000 | +31:49:35 | |
| Planetary system | 1 planet |
More data
- Simbad
- Most recent references (ADS)
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Content
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