(11401) Pierralba Main-belt Asteroid

Discovered on 15 January 1999 by ODAS at Caussols.

Pierre Albanese (b. 1992) showed a great interest in the sky, being able to recognize the major planets while he was only four years old. He made drawings inspired by the images obtained by his father, Caussols astronomer Dominique Albanese.Naming citation (20000726/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Pierralba is today

MercuryVenusEarthEarthMarsMarsPierralbaPierralba

Seen from above the solar system on 2026-10-14: Pierralba is 2.11 au from the Sun and 3.03 au from Earth. Computed from JPL's orbital elements.

Facts

Number11401
Provisional designation1999 AF25
Orbit classMain-belt Asteroid
Diameter3.95 km (#12,869 largest of 17,440 named asteroids with a measured size)
Albedo0.238
Rotation period48.3 hours
Absolute magnitude (H)14.16
Orbital period3.38 years
Semi-major axis2.25 au
Perihelion – aphelion1.80 – 2.70 au
Eccentricity0.200
Inclination4.97°
Closest distance between its orbit and Earth's (MOID)0.790 au

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

Also named after someone called Pierre

Also discovered on 15 January 1999

More named asteroids discovered by ODAS