L 98-59

Planetary system · 34.6 light-years away · also TYC 9193-2365-1

L 98-59 is 34.6 light-years from the Sun. The NASA Exoplanet Archive lists 5 planets around this M3 V star; the first was found in 2019 by transit (Transiting Exoplanet Survey Satellite (TESS)).

Fly there in 3D

Worth knowing

L 98-59 b goes round its star every 2.25 days, 39 times as often as Mercury goes round the Sun.

The star

Spectral typeM3 V
Surface temperature3,415 K
Mass0.2923 solar masses
Radius0.3155 solar radii
Luminosity0.0122 times the Sun
Apparent magnitude11.685
Ageabout 4.94 billion years
Distance from the Sun34.6 light-years (10.6 parsecs)
Position (J2000)RA 124.5329°, Dec -68.3145°
ConstellationVolans

Planets (5)

PlanetYearOrbitRadiusMassFound
L 98-59 b2.25 days0.0223 AU0.837 R⊕0.46 M⊕Transit, 2019
L 98-59 c3.69 days0.0309 AU1.329 R⊕2 M⊕Transit, 2019
L 98-59 d7.45 days0.0494 AU1.627 R⊕1.64 M⊕Transit, 2019
L 98-59 e12.8 days0.0712 AU1.49 R⊕ estimated2.82 M⊕ minimumRadial Velocity, 2021
L 98-59 f23.1 days0.105 AU1.48 R⊕ estimated2.8 M⊕ minimumRadial Velocity, 2025

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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