Recorded2015-03-06datespace

Dawn enters orbit around Ceres — the first dwarf planet orbited

Found bright sodium-carbonate deposits in Occator crater and remained in orbit as a permanent satellite when the mission ended. Encounter class: orbit insertion.

Historical — it happened, and the record is settled.

Subjects

Dawn · mission · not located
Ceres · celestial body · not located

Evidence

Partly verified — Core facts are sourced; some optional detail is deliberately absent.

Dawn mission record
Launch and the Vesta and Ceres orbit-insertion dates.
NASA · Partly verified
NASA Dawn mission archive pages

Recorded on Dawn

2011-07-16Dawn enters orbit around Vesta
2015-03-06Dawn enters orbit around Ceres — the first dwarf planet orbited

Related because they share a subject in the Atlas — never because the text looks similar.

Dawn enters orbit around Vesta · 2011-07-16