Discovery Method
Radial Velocity
Consistent across records
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ExoplanetDetail
HD 121504 b
Host star HD 121504 • 63.33 d orbit
Records
2
archive rows
Discovery
2003
Radial Velocity
Radius
—
default parameter set
Mass
479.9 M⊕
default parameter set
HD 121504
temperature unconstrained
Canonical Summary
Adopted planet values from the default parameter set
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 121504
Stable across source rows
Discovery Year
2003
Stable across source rows
Orbital Period
63.33 day
single adopted value
Semi-Major Axis
0.33 au
single adopted value
Mass
479.9 Mearth
388 to 479.9
Provenance
Underlying measurements and references
Evidence Summary
Rows
2
Refs
2
Methods
1
Discoverystable
Facilitystable
Periodstable
Massdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2003 | Radial Velocity | La Silla Observatory | 1.2 m Leonhard Euler Telescope | 63.33 day | — | 479.9 Mearth | — | Stassun et al. 2017 |
| 2003 | Radial Velocity | La Silla Observatory | 1.2 m Leonhard Euler Telescope | 63.33 day | — | 388 Mearth | — | Mayor et al. 2004 |