(4168) Millan Main-belt Asteroid

Discovered on 6 March 1979 by Felix Aguilar Observatory at El Leoncito.

Named in memory of Julio Rodolfo Millan (1923-1995), first rector of the San Juan National University at the time that the old Yale-Columbia Southern Station was transferred there. Trained as a mining engineer and known for his research on the promotion and development of mining in Argentina, Millan was a professor of metallurgy and later a dean at Cuyo National University, prior to his being appointed organizing delegate of the San Juan National University on its creation in 1973.Naming citation (19981005/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Millan is today

MercuryVenusEarthEarthMarsMarsMillanMillan

Seen from above the solar system on 2026-10-14: Millan is 2.97 au from the Sun and 2.31 au from Earth. Computed from JPL's orbital elements.

Facts

Number4168
Provisional designation1979 EE
Orbit classMain-belt Asteroid
Diameter6.88 km (#7,784 largest of 17,440 named asteroids with a measured size)
Albedo0.0940
Absolute magnitude (H)14.41
Orbital period4.12 years
Semi-major axis2.57 au
Perihelion – aphelion1.97 – 3.17 au
Eccentricity0.233
Inclination12.3°
Closest distance between its orbit and Earth's (MOID)0.993 au

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

Also named after someone called Julio

Also discovered on 6 March 1979

More named asteroids discovered by Felix Aguilar Observatory