Makemake Stellar Occultation
Ortiz and colleagues coordinate observations of Makemake passing in front of a star to measure its size and physical properties.
Historical biography archive · Updated 2026-11-03
Jose Luis Ortiz Biography and Timeline
Follow Jose Luis Ortiz through 3 dated historical records for Spain.
Jose Luis Ortiz, historical timeline
A chronological timeline drawn from matching World History Database records.
3Distinct records
1 of 1Page
2011–2017Years on this page
2011
2012
Makemake Atmosphere Constraint
Analysis of the Makemake occultation finds no evidence for a substantial global atmosphere around the dwarf planet.
2017
Haumea Ring Discovery
Ortiz and colleagues use a stellar occultation to discover a ring around the trans-Neptunian dwarf planet Haumea.
Records, sources and methodology
These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.