The slave ship Júpiter left the African coast carrying enslaved Africans toward Brazil. About 201 people had been taken aboard.

Vessel: Júpiter; flag: Portugal / Brazil; rig: Bergantim. People recorded in connection with the voyage: Investor: Carvalho, Domingos José de; Captain: Almeida, José Pereira de; Investor: Almeida, José Pereira de. The voyage began at Bahia, place unspecified on 23 May 1804. Principal recorded place where captives were acquired: Lagos, Onim (Bight of Benin). Principal recorded disembarkation place: Bahia, place unspecified. Recorded duration of the captives' Atlantic crossing: 43 days. Estimated mortality during the crossing: 2.0%. Recorded outcome: Voyage completed as intended.