Traduzido por IA (Opus 5.5) a partir do cartão em inglês. Números, nomes e fontes não foram alterados.

Estrela com 4 planetas conhecidos

K2-133

Abrir no Ouranos

K2-133, uma estrela M1.5 V, tem 4 planetas confirmados.

Medido

Distância: cerca de 245 anos-luz
Tipo espectral da estrela: M1.5 V
Planetas confirmados: 4

Distância do Sol

Sobre 245 anos-luz. Para atravessá-lo:

Luz245 anos
Velocidade da Voyager 14.36 milhões de anos
Dirigindo a 100 km/h2.65 bilhões de anos

Voyager 1 à velocidade com que se afastou ao longo do ano até 2026-10-25 (JPL Horizons). Dirigindo: sem parar, sem nunca reabastecer.

Fatos

K2-133 e tem uma temperatura de equilíbrio entre −50 e +50 °C.

Como foi descoberto

Primeiro planeta descoberto em 2017 por trânsito (NASA Exoplanet Archive).

Seus planetas

K2-133 b — 1.3 times Earth's width, about Earth-sized — probably rocky; its year lasts 3 days; about 390 °C, hotter than boiling water; found in 2017 by transit.
K2-133 d — 2 times Earth's width, a 'sub-Neptune' — bigger than Earth, smaller than Neptune; its year lasts 11 days; about 460 °C, hotter than boiling water; found in 2017 by transit.
K2-133 c — 1.6 times Earth's width, a 'sub-Neptune' — bigger than Earth, smaller than Neptune; its year lasts 5 days; about 300 °C, hotter than boiling water; found in 2017 by transit.
K2-133 e — 1.7 times Earth's width, a 'sub-Neptune' — bigger than Earth, smaller than Neptune; its year lasts 27 days; about 23 °C, between freezing and boiling; found in 2019 by transit.

The NASA Exoplanet Archive's page

De onde vem isto

NASA Exoplanet Archive, Planetary Systems Composite Parameters (fetched 2026-11-02). Composite values: where a planet's size or mass was not measured, the archive estimates it from the other.
This research has made use of the NASA Exoplanet Archive, which is operated by the California Institute of Technology, under contract with NASA under the Exoplanet Exploration Program.

Todo catálogo que o Ouranos utiliza é creditado na página de créditos.

Seus planetas

K2-133 b — 1.3 times Earth's width, about Earth-sized — probably rocky; its year lasts 3 days; about 390 °C, hotter than boiling water; found in 2017 by transit.

K2-133 d — 2 times Earth's width, a 'sub-Neptune' — bigger than Earth, smaller than Neptune; its year lasts 11 days; about 460 °C, hotter than boiling water; found in 2017 by transit.

K2-133 c — 1.6 times Earth's width, a 'sub-Neptune' — bigger than Earth, smaller than Neptune; its year lasts 5 days; about 300 °C, hotter than boiling water; found in 2017 by transit.

K2-133 e — 1.7 times Earth's width, a 'sub-Neptune' — bigger than Earth, smaller than Neptune; its year lasts 27 days; about 23 °C, between freezing and boiling; found in 2019 by transit.

De onde vem isto

NASA Exoplanet Archive, Planetary Systems Composite Parameters (fetched 2026-11-02). Composite values: where a planet's size or mass was not measured, the archive estimates it from the other.

This research has made use of the NASA Exoplanet Archive, which is operated by the California Institute of Technology, under contract with NASA under the Exoplanet Exploration Program.