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LTT 1445 A b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/LTT 1445 A b

Confirmed exoplanet · Terrestrial

LTT 1445 A b

Orbiting LTT 1445 A

Discovered in 2019 using Transit. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic terrestrial catalog artwork; not a direct image of LTT 1445 A b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,019
Method: Transit
Radius: 1.34 R⊕
Mass: 2.73 M⊕
Orbit: 5.358764 days
Distance: 6.86929 pc

Planet profile

Orbit and physical properties

Orbital period: 5.358764 days
Semi-major axis: 0.0381 AU
Eccentricity: 0.18
Radius: 1.34 Earth radii
Mass: 2.73 Earth masses
Mass provenance: Mass
Density: 6.2 g/cm³
Equilibrium temperature: 431 K
Insolation: 5.7 Earth flux

Host system

Star and system properties

Host star: LTT 1445 A
Stars in system: 3
Known planets in system: 2
Spectral type: M3.0
Stellar temperature: 3,562 K
Stellar radius: 0.271 R☉
Stellar mass: 0.257 M☉
Stellar metallicity: -0.34 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 6.86929 parsecs
Right ascension: 03h01m50.99s
Declination: -16d35m40.18s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,019
Publication date: 2019-10
Discovery locale: Space
Facility: Transiting Exoplanet Survey Satellite (TESS)
Telescope: 0.1 m TESS Telescope
Instrument: TESS CCD Array
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from LTT 1445 A b.

Generic terrestrial catalog artwork; not a direct image of LTT 1445 A b — Apex Andromeda catalog artwork