(3382) Cassidy Main-belt Asteroid

Discovered on 7 September 1948 by H. L. Giclas at Flagstaff.

Where Cassidy is today

MercuryVenusEarthEarthMarsMarsCassidyCassidy

Seen from above the solar system on 2026-10-14: Cassidy is 2.33 au from the Sun and 2.33 au from Earth. Computed from JPL's orbital elements.

Facts

Number3382
Provisional designation1948 RD
Orbit classMain-belt Asteroid
Diameter6.40 km (#8,379 largest of 17,440 named asteroids with a measured size)
Albedo0.226
Rotation period4.26 hours
Absolute magnitude (H)13.0
Orbital period3.36 years
Semi-major axis2.24 au
Perihelion – aphelion1.83 – 2.65 au
Eccentricity0.183
Inclination6.00°
Closest distance between its orbit and Earth's (MOID)0.824 au

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

More named asteroids discovered by H. L. Giclas