(30928) Jefferson Main-belt Asteroid

Discovered on 9 October 1993 by E. W. Elst at La Silla.

Thomas Jefferson (1743-1826), the third president of the United States (1801-1809), will be always remembered as the principal author of the 1776 Declaration of Independence. A man of the Enlightenment and of great intellectual power, he is also honored for the Virginian Statute for Religious Freedom (1779).Naming citation (20090409/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Jefferson is today

MercuryVenusEarthEarthMarsMarsJeffersonJefferson

Seen from above the solar system on 2026-10-14: Jefferson is 3.08 au from the Sun and 3.48 au from Earth. Computed from JPL's orbital elements.

Facts

Number30928
Provisional designation1993 TJ32
Orbit classMain-belt Asteroid
Diameter6.46 km (#8,301 largest of 17,440 named asteroids with a measured size)
Albedo0.222
Rotation period5.84 hours
Absolute magnitude (H)13.81
Orbital period4.32 years
Semi-major axis2.65 au
Perihelion – aphelion2.22 – 3.08 au
Eccentricity0.163
Inclination16.3°
Closest distance between its orbit and Earth's (MOID)1.29 au

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

Also named after someone called Thomas

Also discovered on 9 October 1993

More named asteroids discovered by E. W. Elst