(4321) Zero Main-belt Asteroid

Discovered on 2 March 1981 by S. J. Bus at Siding Spring.

Samuel Joel “Zero” Mostel (1915-1977) was an American actor, singer and artist. A Tony Award winner for his theatrical performances, Mostel is probably best known for his comedic roles in movies such as A Funny Thing Happened on the Way to the Forum and The Producers.Naming citation (20000523/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Zero is today

MercuryVenusEarthEarthMarsMarsZeroZero

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

Facts

Number4321
Provisional designation1981 EH26
Orbit classMain-belt Asteroid
Diameter11.1 km (#4,493 largest of 17,440 named asteroids with a measured size)
Albedo0.0980
Absolute magnitude (H)13.41
Orbital period5.38 years
Semi-major axis3.07 au
Perihelion – aphelion2.20 – 3.94 au
Eccentricity0.283
Inclination2.41°
Closest distance between its orbit and Earth's (MOID)1.20 au

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

Also named after someone called Samuel

Also discovered on 2 March 1981

More named asteroids discovered by S. J. Bus