How old are the oldest objects found in meteorites?

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Meteorite The Hoba meteorite, lying where it was discovered in 1920 near Grootfontein, Namibia. The largest meteorite on Earth and an iron meteorite by classification, it consists of a nickel-iron alloy and is estimated to weigh about 60 tons.

The oldest objects found in meteorites are refractory inclusions, which have ages of approximately 4,567,000,000 years. These objects, often referred to as calcium-aluminum-rich inclusions (CAIs), are highly enriched in refractory elements and are considered the oldest dated materials within meteorites, providing a key benchmark for the timing of events in the early solar system.12