Discovery Method
Radial Velocity
Consistent across records
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ExoplanetDetail
HD 12661 c
Host star HD 12661 • 1708 d orbit
Records
5
archive rows
Discovery
2002
Radial Velocity
Radius
—
default parameter set
Mass
575.9 M⊕
default parameter set
HD 12661
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: Liu et al. 2014
Host Star
HD 12661
Stable across source rows
Discovery Year
2002
Stable across source rows
Orbital Period
1708 day
1679 to 1708
Semi-Major Axis
2.81 au
2.81 to 2.93
Mass
575.9 Mearth
575.9 to 899.5
Provenance
Underlying measurements and references
Evidence Summary
Rows
5
Refs
5
Methods
1
Discoverystable
Facilitystable
Perioddisputed
Massdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2002 | Radial Velocity | Multiple Observatories | Multiple Telescopes | 1699.7 day | — | 899.5 Mearth | — | An et al. 2025 |
| 2002 | Radial Velocity | Multiple Observatories | Multiple Telescopes | 1708 day | — | 610 Mearth | — | Wright et al. 2009 |
| 2002 | Radial Velocity | Multiple Observatories | Multiple Telescopes | 1679 day | — | 581.6 Mearth | — | Butler et al. 2006 |
| 2002 | Radial Velocity | Multiple Observatories | Multiple Telescopes | 1696.7 day | — | 589.6 Mearth | — | Rosenthal et al. 2021 |
| 2002 | Radial Velocity | Multiple Observatories | Multiple Telescopes | 1708 day | — | 575.9 Mearth | — | Liu et al. 2014 |