Discovery Method
Radial Velocity
Consistent across records
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ExoplanetDetail
HD 97658 b
Host star HD 97658 • 2.12 R⊕ • 9.49 d orbit
Records
13
archive rows
Discovery
2010
Radial Velocity
Radius
2.12 R⊕
default parameter set
Mass
8.30 M⊕
default parameter set
HD 97658
751 K equilibrium
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: Ellis et al. 2021
Host Star
HD 97658
Stable across source rows
Discovery Year
2010
Stable across source rows
Orbital Period
9.49 day
9.49 to 9.50
Radius
2.12 Rearth
2.12 to 2.43
Mass
8.30 Mearth
7.55 to 8.88
Density
4.80 g/cm**3
3.35 to 4.80
Equilibrium Temperature
751 K
708 to 809
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 2.12 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
HD 97658 b
2.12 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
13
Refs
13
Methods
1
Discoverystable
Facilitystable
Perioddisputed
Radiusdisputed
Massdisputed
Eq. Tempdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2010 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 9.49 day | — | — | — | Knutson et al. 2014 |
| 2010 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 9.50 day | — | 8.20 Mearth | — | Kammer et al. 2014 |
| 2010 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 9.49 day | 2.25 Rearth | 7.55 Mearth | 757 K | Van Grootel et al. 2014 |
| 2010 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 9.49 day | 2.34 Rearth | 7.86 Mearth | — | Dragomir et al. 2013 |
| 2010 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 9.49 day | 2.35 Rearth | 8.88 Mearth | — | Stassun et al. 2017 |
| 2010 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 9.49 day | — | 8.26 Mearth | — | Howard et al. 2011 |
| 2010 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 9.49 day | — | 7.85 Mearth | — | Rosenthal et al. 2021 |
| 2010 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 9.49 day | 2.12 Rearth | 8.30 Mearth | 751 K | Ellis et al. 2021 |
| 2010 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 9.49 day | 2.43 Rearth | — | 708 K | ExoFOP |
| 2010 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 9.49 day | — | — | — | Ivshina & Winn 2022 |
| 2010 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 9.49 day | — | — | — | Kokori et al. 2023 |
| 2010 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 9.49 day | 2.29 Rearth | 7.62 Mearth | — | Maxted et al. 2022 |
| 2010 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 9.49 day | 2.30 Rearth | 7.81 Mearth | 809 K | Guo et al. 2020 |