Thebe Discovery
Identifies Thebe, a small inner moon of Jupiter, in Voyager imagery.
Role range: 1946-2024
Historical biography archive · Updated 2026-11-03
Stephen P. Synnott Biography and Timeline
Follow Stephen P. Synnott through 9 dated historical records for United States of America.
Stephen P. Synnott, historical timeline
A chronological timeline drawn from matching World History Database records.
9Distinct records
1 of 1Page
1979–1989Years on this page
1979
Metis Discovery
Identifies the small inner Jovian moon Metis in Voyager imagery.
Role range: 1946-2024
1985
Puck Discovery
Identifies Puck in Voyager 2 images during the spacecraft's approach to Uranus.
Role range: 1985-1985 – 1985-1986
1989
Proteus Discovery Confirmed
Identifies the large inner moon later named Proteus in Voyager 2 images and confirms its orbit.
Role range: 1989-1989
Discovery of Despina
Voyager 2 images reveal Despina orbiting within Neptune's inner satellite system.
Discovery of Galatea
Voyager 2 images reveal Galatea, a small moon associated dynamically with Neptune's ring system.
Discovery of Naiad
Voyager 2 images reveal Naiad, one of Neptune's small inner moons.
Discovery of Thalassa
Voyager 2 observations reveal the small inner moon later named Thalassa.
Larissa Orbital Confirmation
Voyager images provide the observations needed to establish Larissa's orbit around Neptune.
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.