Discovery Method
Radial Velocity
Consistent across records
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ExoplanetDetail
HD 12661 b
Host star HD 12661 • 262.7 d orbit
Records
7
archive rows
Discovery
2000
Radial Velocity
Radius
—
default parameter set
Mass
772.3 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: Stassun et al. 2017
Host Star
HD 12661
Stable across source rows
Discovery Year
2000
Stable across source rows
Orbital Period
262.7 day
252.7 to 262.7
Semi-Major Axis
0.84 au
0.79 to 0.84
Mass
772.3 Mearth
691.6 to 886.7
Provenance
Underlying measurements and references
Evidence Summary
Rows
7
Refs
7
Methods
1
Discoverystable
Facilitystable
Perioddisputed
Massdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2000 | Radial Velocity | Multiple Observatories | Multiple Telescopes | 252.7 day | — | 886.7 Mearth | — | Fischer et al. 2001 |
| 2000 | Radial Velocity | Multiple Observatories | Multiple Telescopes | 262.7 day | — | 731 Mearth | — | Wright et al. 2009 |
| 2000 | Radial Velocity | Multiple Observatories | Multiple Telescopes | 262.4 day | — | 757.1 Mearth | — | An et al. 2025 |
| 2000 | Radial Velocity | Multiple Observatories | Multiple Telescopes | 262.4 day | — | 725.6 Mearth | — | Rosenthal et al. 2021 |
| 2000 | Radial Velocity | Multiple Observatories | Multiple Telescopes | 262.5 day | — | 743.7 Mearth | — | Butler et al. 2006 |
| 2000 | Radial Velocity | Multiple Observatories | Multiple Telescopes | 262.7 day | — | 772.3 Mearth | — | Stassun et al. 2017 |
| 2000 | Radial Velocity | Multiple Observatories | Multiple Telescopes | 262.7 day | — | 691.6 Mearth | — | Liu et al. 2014 |