(506) Marion Main-belt Asteroid

Discovered on 17 February 1903 by R. S. Dugan at Heidelberg.

Where Marion is today

MercuryVenusEarthEarthMarsMarsMarionMarion

Seen from above the solar system on 2026-10-14: Marion is 3.44 au from the Sun and 4.06 au from Earth. Computed from JPL's orbital elements.

Facts

Number506
Provisional designationA903 DB
Orbit classMain-belt Asteroid
Diameter106 km (#213 largest of 17,440 named asteroids with a measured size)
Albedo0.0454
Rotation period13.5 hours
Spectral typeXC
Absolute magnitude (H)8.96
Orbital period5.31 years
Semi-major axis3.04 au
Perihelion – aphelion2.60 – 3.48 au
Eccentricity0.145
Inclination17.0°
Closest distance between its orbit and Earth's (MOID)1.64 au

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

More named asteroids discovered by R. S. Dugan