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Discovery of Massalia
- When
- 19 September 1852
- Where
- Astronomical Observatory of Capodimonte
Annibale de Gasparis discovered asteroid 20 Massalia on 19 September 1852 from the Astronomical Observatory of Capodimonte in Naples.
De Gasparis discovered the asteroid visually on 19 September 1852. Jean Chacornac independently sighted the object the following night at Marseilles Observatory, France. The asteroid is a stony body in the inner asteroid belt, approximately 145 kilometers in diameter.
Sources
- 20 Massalia Wikipedia, revision of 2026-09-04
Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.