Discovery Method
Radial Velocity
Consistent across records
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ExoplanetDetail
47 UMa b
Host star 47 UMa • 1078 d orbit
Records
6
archive rows
Discovery
1996
Radial Velocity
Radius
—
default parameter set
Mass
804.1 M⊕
default parameter set
47 UMa
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: Gregory & Fischer 2010
Host Star
47 UMa
Stable across source rows
Discovery Year
1996
Stable across source rows
Orbital Period
1078 day
1076.1 to 1100.8
Semi-Major Axis
2.10 au
2.06 to 2.11
Mass
804.1 Mearth
774.9 to 877.2
Provenance
Underlying measurements and references
Evidence Summary
Rows
6
Refs
6
Methods
1
Discoverystable
Facilitystable
Perioddisputed
Massdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 1996 | Radial Velocity | Lick Observatory | 3.0 m C. Donald Shane Telescope | 1100.8 day | — | 877.2 Mearth | — | Naef et al. 2004 |
| 1996 | Radial Velocity | Lick Observatory | 3.0 m C. Donald Shane Telescope | 1076.6 day | — | 778.7 Mearth | — | Wittenmyer et al. 2009 |
| 1996 | Radial Velocity | Lick Observatory | 3.0 m C. Donald Shane Telescope | 1076.6 day | — | 774.9 Mearth | — | Rosenthal et al. 2021 |
| 1996 | Radial Velocity | Lick Observatory | 3.0 m C. Donald Shane Telescope | 1083.2 day | — | 826.3 Mearth | — | Wittenmyer et al. 2007 |
| 1996 | Radial Velocity | Lick Observatory | 3.0 m C. Donald Shane Telescope | 1078 day | — | 804.1 Mearth | — | Gregory & Fischer 2010 |
| 1996 | Radial Velocity | Lick Observatory | 3.0 m C. Donald Shane Telescope | 1076.1 day | — | 792 Mearth | — | Harada et al. 2025 |