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LHS 1903 c

Host star LHS 1903 • 2.05 R⊕ • 6.23 d orbit

Records

2

archive rows

Discovery

2026

Transit

Radius

2.05 R⊕

default parameter set

Mass

4.55 M⊕

default parameter set

LHS 1903

559 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: Wilson et al. 2026

Host Star

LHS 1903

Stable across source rows

LHS 1903

Discovery Method

Transit

Consistent across records

Transit (2)

Discovery Year

2026

Stable across source rows

2026

Orbital Period

6.23 day

6.23 to 6.23

2 values • 2 distinct

Semi-Major Axis

0.05 au

single adopted value

1 values • 1 distinct

Radius

2.05 Rearth

2.05 to 2.76

2 values • 2 distinct

Mass

4.55 Mearth

single adopted value

1 values • 1 distinct

Density

2.91 g/cm**3

single adopted value

1 values • 1 distinct

Equilibrium Temperature

559 K

559 to 910

2 values • 2 distinct

Scale Comparison

Radius against familiar reference worlds

Current adopted radius: 2.05 R⊕ • circles scaled linearly by radius

Earth

1.0 R⊕ baseline

LHS 1903 c

2.05 R⊕

Jupiter

11.2 R⊕ reference

Provenance

Underlying measurements and references

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Evidence Summary

Rows

2

Refs

2

Methods

1

Discoverystable

2 values • 1 distinct

Facilitystable

2 values • 1 distinct

Periodstable

2 values • 1 distinct

Radiusdisputed

2 values • 2 distinct

Massstable

1 values • 1 distinct

Eq. Tempdisputed

2 values • 2 distinct

YearMethodFacilityTelescopePeriodRadiusMassEq. TempReference
2026TransitTransiting Exoplanet Survey Satellite (TESS)0.1 m TESS Telescope6.23 day2.76 Rearth—910 KExoFOP
2026TransitTransiting Exoplanet Survey Satellite (TESS)0.1 m TESS Telescope6.23 day2.05 Rearth4.55 Mearth559 KWilson et al. 2026