(10477) Lacumparsita Main-belt Asteroid

Discovered on 2 March 1981 by S. J. Bus at Siding Spring.

La Cumparsita is a song considered the ‘anthem of the tangos’ created and written by the Uruguayan composer Gerardo Matos Rodríguez (1897-1948). It was played for the first time in 1917 in Montevideo, site of the 2017 Asteroids Comets Meteors conference.Naming citation (MPC batch dated 2017-03-12), IAU / Minor Planet Center, via NASA/JPL

Where Lacumparsita is today

MercuryVenusEarthEarthMarsMarsLacumparsitaLacumparsita

Seen from above the solar system on 2026-10-14: Lacumparsita is 2.42 au from the Sun and 2.73 au from Earth. Computed from JPL's orbital elements.

Facts

Number10477
Provisional designation1981 ET41
Orbit classMain-belt Asteroid
Diameter3.05 km (#15,098 largest of 17,440 named asteroids with a measured size)
Albedo0.229
Rotation period5.22 hours
Absolute magnitude (H)15.16
Orbital period3.56 years
Semi-major axis2.33 au
Perihelion – aphelion2.02 – 2.65 au
Eccentricity0.134
Inclination8.15°
Closest distance between its orbit and Earth's (MOID)1.02 au

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

Also discovered on 2 March 1981

More named asteroids discovered by S. J. Bus