Discovery Method
Radial Velocity
Consistent across records
Host star HD 19994 • 466.2 d orbit
Records
2
archive rows
Discovery
2003
Radial Velocity
Radius
—
default parameter set
Mass
435.4 M⊕
default parameter set
HD 19994
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: Wittenmyer et al. 2009
Host Star
HD 19994
Stable across source rows
Discovery Method
Radial Velocity
Consistent across records
Discovery Year
2003
Stable across source rows
Orbital Period
466.2 day
466.2 to 535.7
Semi-Major Axis
1.30 au
1.30 to 1.42
Mass
435.4 Mearth
435.4 to 534.0
Provenance
Evidence Summary
Rows
2
Refs
2
Methods
1
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2003 | Radial Velocity | La Silla Observatory | 1.2 m Leonhard Euler Telescope | 535.7 day | — | 534.0 Mearth | — | Mayor et al. 2004 |
| 2003 | Radial Velocity | La Silla Observatory | 1.2 m Leonhard Euler Telescope | 466.2 day | — | 435.4 Mearth | — | Wittenmyer et al. 2009 |