(166944) Seton Main-belt Asteroid

Discovered on 25 April 2003 by P. Kumar at Goodricke-Pigott.

Elizabeth Ann Bayley Seton (1774-1821) was an educator, spiritual leader and saint. She was the foundress of the first Catholic school and Sisters of Charity in the U.S.A. Pope John XXIII beatified her in 1963 and Pope Paul VI canonized her in 1975.Naming citation (MPC batch dated 2015-06-02), IAU / Minor Planet Center, via NASA/JPL

Where Seton is today

MercuryVenusEarthEarthMarsMarsSetonSeton

Seen from above the solar system on 2026-10-14: Seton is 1.94 au from the Sun and 2.71 au from Earth. Computed from JPL's orbital elements.

Facts

Number166944
Provisional designation2003 HP53
Orbit classMain-belt Asteroid
Absolute magnitude (H)16.31
Orbital period3.31 years
Semi-major axis2.22 au
Perihelion – aphelion1.81 – 2.63 au
Eccentricity0.183
Inclination8.63°
Closest distance between its orbit and Earth's (MOID)0.802 au

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

Also named after someone called Elizabeth

Also discovered on 25 April 2003