(2253) Espinette Mars-crossing Asteroid

Discovered on 30 July 1932 by G. Van Biesbroeck at Williams Bay.

Named for the discoverer's residence in Williams Bay, Wisconsin. For many of the 45 years the discoverer worked at the Yerkes Observatory the Van Biesbroecks fed and housed students and visiting astronomers from all over the world. The name originally comes from a small cafe in one of the parks in Brussels. Name proposed by the discoverer's children, Edwin Van Biesbroeck, Simone Van Biesbroeck Titus and Micheline Van Biesbroeck Wilson.Naming citation (MPC 6059), IAU / Minor Planet Center, via NASA/JPL

Where Espinette is today

Seen from above the solar system on 2026-10-14: Espinette is 2.53 au from the Sun and 2.33 au from Earth. Computed from JPL's orbital elements.

Facts

Number	2253
Provisional designation	1932 PB
Orbit class	Mars-crossing Asteroid
Diameter	5.47 km (#9,759 largest of 17,440 named asteroids with a measured size)
Albedo	0.404
Rotation period	7.44 hours
Spectral type	Sl
Absolute magnitude (H)	12.88
Orbital period	3.45 years
Semi-major axis	2.28 au
Perihelion – aphelion	1.65 – 2.92 au
Eccentricity	0.278
Inclination	3.88°
Closest distance between its orbit and Earth's (MOID)	0.635 au

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

More named asteroids discovered by G. Van Biesbroeck

All 16

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