LTT 1445 A b
A confirmed exoplanet orbiting LTT 1445 A.
Compared with Earth
- Size
- About 1.3 times Earth's width.
- Mass
- About 2.7 times Earth's mass.
- Temperature
- About 158 °C (316 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 5.7 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 5.4 Earth days.
Planet
- Radius
- 1.34 × Earth
- Mass
- 2.73 × Earth
- Density
- 6.2 g/cm³
- Equilibrium temperature
- 431 K
- Starlight received
- 5.7 × Earth
- Orbital period
- 5.359 days
- Average distance from its star
- 0.0381 AU
Star
- Host star
- LTT 1445 A
- Spectral class
- Unknown
- Surface temperature
- Unknown
- Radius
- 0.271 × Sun
- Mass
- 0.257 × Sun
- Age
- Unknown
System
- Distance from Earth
- 22.4 light-years (6.869 parsecs)
- Stars in system
- 3
- Known planets
- 2
Discovery
- Year
- 2019
- Method
- Transit
- Facility
- Transiting Exoplanet Survey Satellite (TESS)
Data from the NASA Exoplanet Archive, synced October 14, 2026.