Discovery Method
Radial Velocity
Consistent across records
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ExoplanetDetail
HD 33142 b
Host star HD 33142 • 330 d orbit
Records
4
archive rows
Discovery
2011
Radial Velocity
Radius
—
default parameter set
Mass
400.5 M⊕
default parameter set
HD 33142
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: Trifonov et al. 2022
Host Star
HD 33142
Stable across source rows
Discovery Year
2011
Stable across source rows
Orbital Period
330 day
326 to 330
Semi-Major Axis
1.07 au
1.06 to 1.09
Mass
400.5 Mearth
400.5 to 476.7
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 |
|---|---|---|---|---|---|---|---|---|
| 2011 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 326 day | — | 440.2 Mearth | — | Luhn et al. 2019 |
| 2011 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 326.6 day | — | 413.2 Mearth | — | Johnson et al. 2011 |
| 2011 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 330 day | — | 400.5 Mearth | — | Trifonov et al. 2022 |
| 2011 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 326.6 day | — | 476.7 Mearth | — | Stassun et al. 2017 |