LP 890-9

Planetary system · 105.8 light-years away · also SPECULOOS-2

LP 890-9 is 106 light-years from the Sun. The NASA Exoplanet Archive lists 2 planets around this M6 V star; the first was found in 2022 by transit (Transiting Exoplanet Survey Satellite (TESS)).

Fly there in 3D

Worth knowing

LP 890-9 b goes round its star every 2.73 days, 32 times as often as Mercury goes round the Sun.

The star

Spectral typeM6 V
Surface temperature2,850 K
Mass0.118 solar masses
Radius0.1556 solar radii
Luminosity0.001441 times the Sun
Apparent magnitude18
Ageabout 7.2 billion years
Distance from the Sun105.8 light-years (32.4 parsecs)
Position (J2000)RA 64.1309°, Dec -28.3158°
ConstellationEridanus

Planets (2)

PlanetYearOrbitRadiusMassFound
LP 890-9 b2.73 days0.0187 AU1.32 R⊕13.2 M⊕Transit, 2022
LP 890-9 c8.46 days0.0398 AU1.367 R⊕25.3 M⊕Transit, 2022

Values are the NASA Exoplanet Archive’s composite parameters. A radius marked estimated comes from a mass–radius relation; a mass marked minimum is M sin i. Planet sizes and colours in the 3D view are renderings: none of these worlds has been photographed as more than a point of light.

Sources

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