(4241) Pappalardo Main-belt Asteroid

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

A. Neil Pappalardo is a pioneer in medical information technology. Together with his wife Jane, he has been an energetic supporter of the Magellan Telescope Project in Chile and of promoting excellence in engineering, physics and astronomy at the Massachusetts Institute of Technology.Naming citation (20000523/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Pappalardo is today

MercuryVenusEarthEarthMarsMarsPappalardoPappalardo

Seen from above the solar system on 2026-10-14: Pappalardo is 3.17 au from the Sun and 4.11 au from Earth. Computed from JPL's orbital elements.

Facts

Number4241
Provisional designation1981 EX46
Orbit classMain-belt Asteroid
Absolute magnitude (H)14.99
Orbital period5.06 years
Semi-major axis2.95 au
Perihelion – aphelion2.72 – 3.17 au
Eccentricity0.0761
Inclination0.978°
Closest distance between its orbit and Earth's (MOID)1.72 au

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

Also named after someone called Neil

Also discovered on 2 March 1981

More named asteroids discovered by S. J. Bus