description L 98-59 d Overview
L 98-59 d is a confirmed transiting planet in the compact system around the nearby M dwarf L 98-59. NASA's TESS mission helped identify the system in 2019, and later measurements placed planet d at about 1.5 Earth radii with a mass of roughly two Earths. Its orbit lasts about 7.5 days, making it a small, close-in world that is useful for comparative studies of planets around low-mass stars.
help L 98-59 d FAQ
How long is a year on L 98-59 d?
L 98-59 d completes an orbit in about 7.5 days. It is part of the compact planetary system around the nearby M dwarf L 98-59.
How was L 98-59 d found?
NASA's TESS mission helped identify the L 98-59 system in 2019 through transit observations. Later measurements established properties for planet d, including its size and mass.
How large and massive is L 98-59 d?
It is about 1.5 times Earth's radius and has a mass of roughly two Earth masses. Those measurements make it a small planet rather than a gas giant.
Does L 98-59 d orbit an M dwarf?
Yes. It circles L 98-59, a nearby M dwarf, and its orbit is much shorter than Earth's year because the planet travels close to its host star.
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