←Back to Exoplanets
ExoplanetDetail

HD 22946 d

Host star HD 22946 • 2.61 R⊕ • 47.42 d orbit

Records

1

archive rows

Discovery

2023

Transit

Radius

2.61 R⊕

default parameter set

Mass

26.57 M⊕

default parameter set

HD 22946

546 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: Garai et al. 2023

Host Star

HD 22946

Stable across source rows

HD 22946

Discovery Method

Transit

Consistent across records

Transit (1)

Discovery Year

2023

Stable across source rows

2023

Orbital Period

47.42 day

single adopted value

1 values • 1 distinct

Semi-Major Axis

0.30 au

single adopted value

1 values • 1 distinct

Radius

2.61 Rearth

single adopted value

1 values • 1 distinct

Mass

26.57 Mearth

single adopted value

1 values • 1 distinct

Density

10.80 g/cm**3

single adopted value

1 values • 1 distinct

Equilibrium Temperature

546 K

single adopted value

1 values • 1 distinct

Scale Comparison

Radius against familiar reference worlds

Current adopted radius: 2.61 R⊕ • circles scaled linearly by radius

Earth

1.0 R⊕ baseline

HD 22946 d

2.61 R⊕

Jupiter

11.2 R⊕ reference

Provenance

Underlying measurements and references

Download JSONDownload CSV

Evidence Summary

Rows

1

Refs

1

Methods

1

Discoverystable

1 values • 1 distinct

Facilitystable

1 values • 1 distinct

Periodstable

1 values • 1 distinct

Radiusstable

1 values • 1 distinct

Massstable

1 values • 1 distinct

Eq. Tempstable

1 values • 1 distinct

YearMethodFacilityTelescopePeriodRadiusMassEq. TempReference
2023TransitTransiting Exoplanet Survey Satellite (TESS)0.1 m TESS Telescope47.42 day2.61 Rearth26.57 Mearth546 KGarai et al. 2023