L 98-59 is a nearby M dwarf star ~35 light-years from Earth in the southern constellation Volans. It hosts a multi-planet system originally discovered by NASA’s TESS mission and characterized in follow-up by space- and ground-based observatories.
Notable planets
- l-98-59-d — 1.6 R⊕ sulphur-rich magma-ocean-world reported by harrison-nicholls, raymond-pierrehumbert et al. (university-of-oxford) in 2026 (src-l-98-59-d-sulphur-magma-world-2026-05). Proposed as a new small-planet class distinct from rocky / gaseous / water-rich categories; likely descended from a sub-Neptune precursor.