(6109) Balseiro Main-belt Asteroid

Discovered on 29 August 1975 by Felix Aguilar Observatory at El Leoncito.

José Antonio Balseiro (1919-1962) was a key figure in the development of nuclear physics in Argentina. From 1954 until his death, he was an active member of the national Atomic Energy Committee. In 1955 he became the first director of the prestigious Bariloche Institute of Physics.Naming citation (20070926/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Balseiro is today

MercuryVenusEarthEarthMarsMarsBalseiroBalseiro

Seen from above the solar system on 2026-10-14: Balseiro is 2.22 au from the Sun and 1.45 au from Earth. Computed from JPL's orbital elements.

Facts

Number6109
Provisional designation1975 QC
Orbit classMain-belt Asteroid
Diameter4.58 km (#11,470 largest of 17,440 named asteroids with a measured size)
Albedo0.403
Absolute magnitude (H)13.7
Orbital period3.60 years
Semi-major axis2.35 au
Perihelion – aphelion2.02 – 2.67 au
Eccentricity0.138
Inclination6.84°
Closest distance between its orbit and Earth's (MOID)1.01 au

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

Also named after someone called Jose

More named asteroids discovered by Felix Aguilar Observatory