Broken Records

Largest object in the asteroid belt

The current largest object in the asteroid belt record is 583 miles, held by Ceres, set on January 1, 1801. Last checked October 14, 2026.

583

miles

Ceres

Asteroid belt, 1801

Holder
Ceres
Record
583 miles
Metric
939 km
Exact figure
939 km mean diameter
Location
Asteroid belt
Date set
January 1, 1801
Recognized by
International Astronomical Union
Last checked
October 14, 2026

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