Discovery Method
Radial Velocity
Consistent across records
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ExoplanetDetail
47 UMa c
Host star 47 UMa • 2391 d orbit
Records
4
archive rows
Discovery
2001
Radial Velocity
Radius
—
default parameter set
Mass
171.6 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
2001
Stable across source rows
Orbital Period
2391 day
2265 to 7586
Semi-Major Axis
3.60 au
3.40 to 7.73
Mass
171.6 Mearth
158.0 to 425.9
Provenance
Underlying measurements and references
Evidence Summary
Rows
4
Refs
4
Methods
1
Discoverystable
Facilitystable
Perioddisputed
Massdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2001 | Radial Velocity | Lick Observatory | 3.0 m C. Donald Shane Telescope | 2265 day | — | 164 Mearth | — | Harada et al. 2025 |
| 2001 | Radial Velocity | Lick Observatory | 3.0 m C. Donald Shane Telescope | 2391 day | — | 171.6 Mearth | — | Gregory & Fischer 2010 |
| 2001 | Radial Velocity | Lick Observatory | 3.0 m C. Donald Shane Telescope | 7586 day | — | 425.9 Mearth | — | Wittenmyer et al. 2007 |
| 2001 | Radial Velocity | Lick Observatory | 3.0 m C. Donald Shane Telescope | 2287 day | — | 158.0 Mearth | — | Rosenthal et al. 2021 |