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TOI-1243 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/TOI-1243 b

Confirmed exoplanet · Super Earth

TOI-1243 b

Orbiting TOI-1243

Discovered in 2026 using Transit. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic super earth catalog artwork; not a direct image of TOI-1243 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,026
Method: Transit
Radius: 2.33 R⊕
Mass: 7.7 M⊕
Orbit: 4.659478 days
Distance: 43.1865 pc

Planet profile

Orbit and physical properties

Orbital period: 4.659478 days
Semi-major axis: Not reported by the NASA Exoplanet Archive
Eccentricity: Not reported by the NASA Exoplanet Archive
Radius: 2.33 Earth radii
Mass: 7.7 Earth masses
Mass provenance: Mass
Density: 3.3 g/cm³
Equilibrium temperature: 450 K
Insolation: 17.2664 Earth flux

Host system

Star and system properties

Host star: TOI-1243
Stars in system: 1
Known planets in system: 1
Spectral type: M2.0 V
Stellar temperature: 3,515 K
Stellar radius: 0.511 R☉
Stellar mass: 0.515 M☉
Stellar metallicity: -0.2 dex
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: 43.1865 parsecs
Right ascension: 09h02m55.83s
Declination: +71d38m11.10s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,026
Publication date: 2026-03
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 TOI-1243 b.

Generic super earth catalog artwork; not a direct image of TOI-1243 b — Apex Andromeda catalog artwork