(21) Lutetia Main-belt Asteroid

Discovered on 15 November 1852 by H. Goldschmidt at Paris.

Where Lutetia is today

MercuryVenusEarthEarthMarsMarsLutetiaLutetia

Seen from above the solar system on 2026-10-14: Lutetia is 2.10 au from the Sun and 2.31 au from Earth. Computed from JPL's orbital elements.

Facts

Number21
Provisional designationA852 VA
Orbit classMain-belt Asteroid
Diameter98.0 km (#240 largest of 17,440 named asteroids with a measured size)
Albedo0.190
Rotation period8.17 hours
Spectral typeM
Absolute magnitude (H)7.48
Orbital period3.80 years
Semi-major axis2.43 au
Perihelion – aphelion2.03 – 2.84 au
Eccentricity0.165
Inclination3.06°
Closest distance between its orbit and Earth's (MOID)1.02 au

Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.

More named asteroids discovered by H. Goldschmidt