Discovery Method
Radial Velocity
Consistent across records
Host star HD 136418 • 464.3 d orbit
Records
2
archive rows
Discovery
2009
Radial Velocity
Radius
—
default parameter set
Mass
680.2 M⊕
default parameter set
HD 136418
temperature unconstrained
Canonical Summary
Values come from the archive's default parameter set. Missing values stay missing. Ranges and counts describe all source rows.
Selected source: Stassun et al. 2017
Host Star
HD 136418
Stable across source rows
Discovery Method
Radial Velocity
Consistent across records
Discovery Year
2009
Stable across source rows
Orbital Period
464.3 day
464.3 to 464.3
Semi-Major Axis
1.29 au
1.29 to 1.32
Mass
680.2 Mearth
635.6 to 680.2
Provenance
Evidence Summary
Rows
2
Refs
2
Methods
1
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2009 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 464.3 day | — | 680.2 Mearth | — | Stassun et al. 2017 |
| 2009 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 464.3 day | — | 635.6 Mearth | — | Johnson et al. 2010 |