Discovery Method
Transit
Consistent across records
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ExoplanetDetail
LTT 1445 A b
Host star LTT 1445 A • 1.34 R⊕ • 5.36 d orbit
Records
7
archive rows
Discovery
2019
Transit
Radius
1.34 R⊕
default parameter set
Mass
2.73 M⊕
default parameter set
LTT 1445 A
431 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: Pass et al. 2023
Host Star
LTT 1445 A
Stable across source rows
Discovery Year
2019
Stable across source rows
Orbital Period
5.36 day
5.36 to 5.36
Semi-Major Axis
0.04 au
0.02 to 0.04
Radius
1.34 Rearth
1.18 to 1.45
Mass
2.73 Mearth
2.20 to 2.87
Density
6.20 g/cm**3
4.36 to 7.10
Equilibrium Temperature
431 K
403.7 to 555
Scale Comparison
Radius against familiar reference worlds
Current adopted radius: 1.34 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
LTT 1445 A b
1.34 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Underlying measurements and references
Evidence Summary
Rows
7
Refs
7
Methods
1
Discoverystable
Facilitystable
Periodstable
Radiusdisputed
Massdisputed
Eq. Tempdisputed
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2019 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 5.36 day | 1.45 Rearth | — | 403.7 K | ExoFOP |
| 2019 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 5.36 day | 1.34 Rearth | 2.73 Mearth | 431 K | Pass et al. 2023 |
| 2019 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 5.36 day | 1.43 Rearth | 2.32 Mearth | — | Lavie et al. 2023 |
| 2019 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 5.36 day | 1.38 Rearth | 2.20 Mearth | 433 K | Winters et al. 2019 |
| 2019 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 5.36 day | 1.30 Rearth | 2.87 Mearth | 424 K | Winters et al. 2022 |
| 2019 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 5.36 day | 1.18 Rearth | — | 555 K | Oddo et al. 2023 |
| 2019 | Transit | Transiting Exoplanet Survey Satellite (TESS) | 0.1 m TESS Telescope | 5.36 day | — | — | — | Kokori et al. 2023 |