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LTT 3780 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/LTT 3780 b

Confirmed exoplanet · Terrestrial

LTT 3780 b

Orbiting LTT 3780

Discovered in 2020 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 3780 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,020
Method: Transit
Radius: 1.325 R⊕
Mass: 2.46 M⊕
Orbit: 0.768379 days
Distance: 21.9814 pc

Planet profile

Orbit and physical properties

Orbital period: 0.768379 days
Semi-major axis: 0.01195 AU
Eccentricity: 0
Radius: 1.325 Earth radii
Mass: 2.46 Earth masses
Mass provenance: Mass
Density: 5.8 g/cm³
Equilibrium temperature: 903 K
Insolation: 111 Earth flux

Host system

Star and system properties

Host star: LTT 3780
Stars in system: 2
Known planets in system: 2
Spectral type: M3.5 V
Stellar temperature: 3,358 K
Stellar radius: 0.38 R☉
Stellar mass: 0.381 M☉
Stellar metallicity: 0.06 dex
Stellar age: 3.1 Gyr
Distance: 21.9814 parsecs
Right ascension: 10h18m34.78s
Declination: -11d43m04.08s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,020
Publication date: 2020-07
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 ↗

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