Discovery Method
Radial Velocity
Consistent across records
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ExoplanetDetail
HD 89744 b
Host star HD 89744 • 256.8 d orbit
Records
3
archive rows
Discovery
1999
Radial Velocity
Radius
—
default parameter set
Mass
2653.9 M⊕
default parameter set
HD 89744
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: Wittenmyer et al. 2019
Host Star
HD 89744
Stable across source rows
Discovery Year
1999
Stable across source rows
Orbital Period
256.8 day
single adopted value
Semi-Major Axis
0.92 au
0.91 to 0.92
Mass
2653.9 Mearth
2517.1 to 2682.4
Provenance
Underlying measurements and references
Evidence Summary
Rows
3
Refs
3
Methods
1
Discoverystable
Facilitystable
Periodstable
Massdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 1999 | Radial Velocity | Fred Lawrence Whipple Observatory | 1.5 m Tillinghast Reflector Telescope | 256.8 day | — | 2682.4 Mearth | — | Wittenmyer et al. 2009 |
| 1999 | Radial Velocity | Fred Lawrence Whipple Observatory | 1.5 m Tillinghast Reflector Telescope | 256.8 day | — | 2517.1 Mearth | — | Wittenmyer et al. 2007 |
| 1999 | Radial Velocity | Fred Lawrence Whipple Observatory | 1.5 m Tillinghast Reflector Telescope | 256.8 day | — | 2653.9 Mearth | — | Wittenmyer et al. 2019 |