Discovery Method
Radial Velocity
Consistent across records
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ExoplanetDetail
HAT-P-11 c
Host star HAT-P-11 • 3361 d orbit
Records
5
archive rows
Discovery
2018
Radial Velocity
Radius
—
default parameter set
Mass
851.8 M⊕
default parameter set
HAT-P-11
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: An et al. 2025
Host Star
HAT-P-11
Stable across source rows
Discovery Year
2018
Stable across source rows
Orbital Period
3361 day
3299 to 3407
Semi-Major Axis
4.10 au
4.10 to 4.13
Mass
851.8 Mearth
507 to 851.8
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 |
|---|---|---|---|---|---|---|---|---|
| 2018 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 3299 day | — | — | — | Yee et al. 2024 |
| 2018 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 3407 day | — | — | — | Bourrier et al. 2023 |
| 2018 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 3361 day | — | 851.8 Mearth | — | An et al. 2025 |
| 2018 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 3407 day | — | 507 Mearth | — | Yee et al. 2018 |
| 2018 | Radial Velocity | W. M. Keck Observatory | 10 m Keck I Telescope | 3397 day | — | 731.0 Mearth | — | Xuan & Wyatt 2020 |