(4545) Primolevi Main-belt Asteroid

Discovered on 28 September 1989 by H. Debehogne at La Silla.

Primo Levi (1919-1987) was an Italian chemist and writer. He was the author of two novels and several collections of short stories, essays and poems. His best-known work is If this is a man, his account of the period he spent as a prisoner in Auschwitz concentration camp. Name suggested by M. Di Martino and P. Bianucci.Naming citation (20111012/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Primolevi is today

Seen from above the solar system on 2026-10-14: Primolevi is 3.54 au from the Sun and 3.88 au from Earth. Computed from JPL's orbital elements.

Facts

Number	4545
Provisional designation	1989 SB11
Orbit class	Main-belt Asteroid
Diameter	16.7 km (#2,757 largest of 17,440 named asteroids with a measured size)
Albedo	0.160
Absolute magnitude (H)	12.38
Orbital period	5.60 years
Semi-major axis	3.15 au
Perihelion – aphelion	2.75 – 3.55 au
Eccentricity	0.126
Inclination	1.80°
Closest distance between its orbit and Earth's (MOID)	1.77 au

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

Also discovered on 28 September 1989

More named asteroids discovered by H. Debehogne

All 203

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