(22744) Esterantonucci Outer Main-belt Asteroid

Discovered on 14 October 1998 by LONEOS at Anderson Mesa.

Ester Antonucci (b. 1945) is a solar physicist who has spent most of her career studying the sun using spacecraft. She participated in the Solar Maximum and SOHO missions and, since 2005, has been director of the Osservatorio Astronomico di Torino---the first woman to hold this position.Naming citation (20091202/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Esterantonucci is today

MercuryVenusEarthEarthMarsMarsEsterantonucciEsterantonucci

Seen from above the solar system on 2026-10-14: Esterantonucci is 3.37 au from the Sun and 2.57 au from Earth. Computed from JPL's orbital elements.

Facts

Number22744
Provisional designation1998 TB34
Orbit classOuter Main-belt Asteroid
Absolute magnitude (H)13.23
Orbital period5.76 years
Semi-major axis3.21 au
Perihelion – aphelion2.88 – 3.54 au
Eccentricity0.103
Inclination4.71°
Closest distance between its orbit and Earth's (MOID)1.88 au

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

Also named after someone called Ester

Also discovered on 14 October 1998

More named asteroids discovered by LONEOS