Discovery Method
Radial Velocity
Consistent across records
←Back to Exoplanets
ExoplanetDetail
HD 149026 b
Host star HD 149026 • 8.29 R⊕ • 2.88 d orbit
Records
12
archive rows
Discovery
2005
Radial Velocity
Radius
8.29 R⊕
default parameter set
Mass
120.8 M⊕
default parameter set
HD 149026
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 149026
Stable across source rows
Discovery Year
2005
Stable across source rows
Orbital Period
2.88 day
2.88 to 2.88
Radius
8.29 Rearth
6.84 to 9.11
Mass
120.8 Mearth
102.3 to 120.8
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 8.29 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
HD 149026 b
8.29 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
12
Refs
12
Methods
1
Discoverystable
Facilitystable
Periodstable
Radiusdisputed
Massdisputed
Eq. Tempdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2005 | Radial Velocity | Subaru Telescope | 8.2 m Subaru Telescope | 2.88 day | 7.33 Rearth | 114.1 Mearth | 1634 K | Torres et al. 2008 |
| 2005 | Radial Velocity | Subaru Telescope | 8.2 m Subaru Telescope | 2.88 day | 9.11 Rearth | 117.0 Mearth | — | Carter et al. 2009 |
| 2005 | Radial Velocity | Subaru Telescope | 8.2 m Subaru Telescope | 2.88 day | 6.84 Rearth | 113.1 Mearth | 1626 K | Southworth 2010 |
| 2005 | Radial Velocity | Subaru Telescope | 8.2 m Subaru Telescope | — | — | 103.0 Mearth | — | Knutson et al. 2014 |
| 2005 | Radial Velocity | Subaru Telescope | 8.2 m Subaru Telescope | 2.88 day | 8.13 Rearth | 114.8 Mearth | — | Sato et al. 2005 |
| 2005 | Radial Velocity | Subaru Telescope | 8.2 m Subaru Telescope | — | — | — | — | Albrecht et al. 2012 |
| 2005 | Radial Velocity | Subaru Telescope | 8.2 m Subaru Telescope | 2.88 day | 8.33 Rearth | — | 1602 K | ExoFOP |
| 2005 | Radial Velocity | Subaru Telescope | 8.2 m Subaru Telescope | 2.88 day | 8.29 Rearth | 120.8 Mearth | — | Stassun et al. 2017 |
| 2005 | Radial Velocity | Subaru Telescope | 8.2 m Subaru Telescope | 2.88 day | — | 103.6 Mearth | — | Ment et al. 2018 |
| 2005 | Radial Velocity | Subaru Telescope | 8.2 m Subaru Telescope | 2.88 day | 9.09 Rearth | 102.3 Mearth | — | Bonomo et al. 2017 |
| 2005 | Radial Velocity | Subaru Telescope | 8.2 m Subaru Telescope | 2.88 day | — | — | — | Zhang et al. 2018 |
| 2005 | Radial Velocity | Subaru Telescope | 8.2 m Subaru Telescope | 2.88 day | — | — | — | Kokori et al. 2023 |