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A solar system asteroid (No. 4179), measuring 4.6 × 2.4 × 1.9 km; approximate mass 1013 kg; rotational period irregular; orbital period 1.1 years. It is a double object, its two components probably in contact, one estimated to be 2.5 km in diameter and the other 1.5 km. On 29 September 2004 Toutatis reached its closest approach to Earth, at a distance of about 1.5 million km.

Subjects: Astronomy and Astrophysics — Earth Sciences and Geography.

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