21 Lutetia

Asteroid

A heavily cratered metallic asteroid visited by the Rosetta spacecraft on its way to comet 67P.

Facts

TypeAsteroid
Distance from the Sun2.43 AU
Diameter98 km
Mass1.70 × 10^18 kg
Temperature-103°C
Orbital period1,390 days
Rotation period8.168 hours
Apparent magnitude9.3
Redshift0
Discovered1852
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