Charon
Robert Harrington helps confirm and calculate the orbit of Pluto's newly discovered moon, later named Charon.
Historical biography archive · Updated 2026-11-03
Robert Harrington Biography and Timeline
Follow Robert Harrington through 4 dated historical records for United States of America.
Robert Harrington, historical timeline
A chronological timeline drawn from matching World History Database records.
4Distinct records
1 of 1Page
1978–1985Years on this page
1978
Charon
Harrington calculates the expected positions of Pluto's suspected satellite, supporting the conclusion that the observed bulge is an orbiting moon.
1985
Charon
The first successful observation of a predicted Pluto-Charon mutual event occurs within about forty minutes of Harrington's forecast.
Charon
Harrington's orbital calculations predict a series of mutual Pluto-Charon eclipses and occultations beginning in 1985.
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.