(519) Sylvania Main-belt Asteroid

Discovered on 20 October 1903 by R. S. Dugan at Heidelberg.

Where Sylvania is today

MercuryVenusEarthEarthMarsMarsSylvaniaSylvania

Seen from above the solar system on 2026-10-14: Sylvania is 3.30 au from the Sun and 4.12 au from Earth. Computed from JPL's orbital elements.

Facts

Number519
Provisional designationA903 UJ
Orbit classMain-belt Asteroid
Diameter40.1 km (#970 largest of 17,440 named asteroids with a measured size)
Albedo0.246
Rotation period18.0 hours
Spectral typeS
Absolute magnitude (H)9.13
Orbital period4.67 years
Semi-major axis2.79 au
Perihelion – aphelion2.28 – 3.31 au
Eccentricity0.185
Inclination11.0°
Closest distance between its orbit and Earth's (MOID)1.29 au

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

Also discovered on 20 October 1903

More named asteroids discovered by R. S. Dugan