Discovery Method
Imaging
Consistent across records
←Back to Exoplanets
ExoplanetDetail
WISEP J121756.91+162640.2 A b
Host star WISEP J121756.91+162640.2 A • 10.47 R⊕
Records
1
archive rows
Discovery
2012
Imaging
Radius
10.47 R⊕
default parameter set
Mass
6992 M⊕
default parameter set
WISEP J121756.91+162640.2 A
450 K equilibrium
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: Leggett et al. 2014
Host Star
WISEP J121756.91+162640.2 A
Stable across source rows
Discovery Year
2012
Stable across source rows
Semi-Major Axis
8 au
single adopted value
Radius
10.47 Rearth
single adopted value
Mass
6992 Mearth
single adopted value
Equilibrium Temperature
450 K
single adopted value
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 10.47 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
WISEP J121756.91+162640.2 A b
10.47 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
1
Refs
1
Methods
1
Discoverystable
Facilitystable
Radiusstable
Massstable
Eq. Tempstable
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2012 | Imaging | W. M. Keck Observatory | 10 m Keck II Telescope | — | 10.47 Rearth | 6992 Mearth | 450 K | Leggett et al. 2014 |