Planet Ross 128 b
| Name | Ross 128 b | ||
| Planet Status | Confirmed | ||
| Discovered in | 2017 | ||
| Mass | — | ||
| Mass*sin(i) | 0.0044 ( -0.00066 +0.00066 ) MJ |  |
|
| Semi-Major Axis | 0.0496 (± 0.0017) AU | |
|
| Orbital Period | 9.8658 (± 0.007) day | |
|
| Eccentricity | 0.116 (± 0.097) | |
|
| ω | — | ||
| Tperi | — | ||
| Radius | — | ||
| Inclination | — | ||
| Update | 2017-11-17 | ||
| Detection Method | Radial Velocity | ||
| Mass Detection Method | Radial Velocity | ||
| Radius Detection Method | — | ||
| Primary transit | — | ||
| Secondary transit | — | ||
| λ | — | ||
| Impact Parameter b | — | ||
| Time Vr=0 | — | ||
| Velocity Semiamplitude K | 1.39 (± 0.18) m/s | |
|
| Calculated temperature | 256.0 (± 45.0) K | |
|
| Measured temperature | — | ||
| Hottest point longitude | — | ||
| Geometric albedo | — | ||
| Surface gravity log(g/gH) | — | ||
| Alternate Names | — |
Star
Ross 128| Name | Ross 128 | ||
| Distance | 3.3806 (± 0.0064) pc | |
|
| Spectral type | M4 | ||
| Apparent magnitude V | 11.15 | ||
| Mass | 0.168 (± 0.017) MSun | |
|
| Age | 5.0 Gyr | |
|
| Effective temperature | 3192.0 (± 60.0) K | |
|
| Radius | 0.1967 (± 0.0077) RSun | |
|
| Metallicity [Fe/H] | -0.02 (± 0.08) | |
|
| Detected Disc | — | ||
| Magnetic Field | — | ||
| RA2000 | 11:47:44.0 | ||
| Dec2000 | +00:48:16 | ||
| Alternate Names | |||
| Planetary system | 1 planet |
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