Discovery Method
Imaging
Consistent across records
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ExoplanetDetail
HN Peg b
Host star HN Peg • 11.78 R⊕
Records
1
archive rows
Discovery
2006
Imaging
Radius
11.78 R⊕
default parameter set
Mass
6991.6 M⊕
default parameter set
HN Peg
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: Luhman et al. 2007
Host Star
HN Peg
Stable across source rows
Discovery Year
2006
Stable across source rows
Semi-Major Axis
773 au
single adopted value
Radius
11.78 Rearth
single adopted value
Mass
6991.6 Mearth
single adopted value
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 11.78 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
HN Peg b
11.78 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
1
Refs
1
Methods
1
Discoverystable
Facilitystable
Radiusstable
Massstable
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2006 | Imaging | Spitzer Space Telescope | 0.85 m Spitzer Space Telescope | — | 11.78 Rearth | 6991.6 Mearth | — | Luhman et al. 2007 |