(11156) Al-Khwarismi Main-belt Asteroid

Discovered on 31 December 1997 by P. G. Comba at Prescott.

Muhammad ibn Musa al-Khwarismi (fl. c. 825) was an Arab mathematician and astronomer whose books, translated into Latin, were the main source through which Indian numerals and Arabic algebra came into Western Europe.Naming citation (19991123/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Al-Khwarismi is today

MercuryVenusEarthEarthMarsMarsAl-KhwarismiAl-Khwarismi

Seen from above the solar system on 2026-10-14: Al-Khwarismi is 2.74 au from the Sun and 2.14 au from Earth. Computed from JPL's orbital elements.

Facts

Number11156
Provisional designation1997 YP14
Orbit classMain-belt Asteroid
Diameter4.74 km (#11,134 largest of 17,440 named asteroids with a measured size)
Albedo0.260
Absolute magnitude (H)14.05
Orbital period4.92 years
Semi-major axis2.89 au
Perihelion – aphelion2.68 – 3.11 au
Eccentricity0.0732
Inclination1.14°
Closest distance between its orbit and Earth's (MOID)1.68 au

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

Also discovered on 31 December 1997

More named asteroids discovered by P. G. Comba