Discovery Method
Transit
Consistent across records
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ExoplanetDetail
LHS 3844 b
Host star LHS 3844 • 1.29 R⊕ • 0.46 d orbit
Records
5
archive rows
Discovery
2019
Transit
Radius
1.29 R⊕
default parameter set
Mass
2.37 M⊕
default parameter set
LHS 3844
816 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: Nagel et al. 2026
Host Star
LHS 3844
Stable across source rows
Discovery Year
2019
Stable across source rows
Orbital Period
0.46 day
0.46 to 0.46
Semi-Major Axis
6.24e-3 au
6.22e-3 to 6.24e-3
Radius
1.29 Rearth
1.29 to 1.36
Mass
2.37 Mearth
single adopted value
Density
6.15 g/cm**3
single adopted value
Equilibrium Temperature
816 K
723.4 to 816
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 1.29 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
LHS 3844 b
1.29 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
5
Refs
5
Methods
1
Discoverystable
Facilitystable
Periodstable
Radiusdisputed
Massstable
Eq. Tempdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2019 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 0.46 day | 1.36 Rearth | — | 723.4 K | ExoFOP |
| 2019 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 0.46 day | 1.29 Rearth | 2.37 Mearth | 816 K | Nagel et al. 2026 |
| 2019 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 0.46 day | 1.30 Rearth | — | 805 K | Vanderspek et al. 2019 |
| 2019 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 0.46 day | — | — | — | Patel & Espinoza 2022 |
| 2019 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 0.46 day | — | — | — | Kokori et al. 2023 |