(5386) Bajaja Main-belt Asteroid

Discovered on 1 October 1975 by Felix Aguilar Observatory at El Leoncito.

Esteban Bajaja (b. 1931) was in charge of the installation and operation of the first radio telescope in Argentina, thus becoming one of the first radio astronomers in his country. One of his main contributions to the field was the observation of HII regions in the southern hemisphere.Naming citation (20070926/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Bajaja is today

Seen from above the solar system on 2026-10-14: Bajaja is 2.45 au from the Sun and 1.93 au from Earth. Computed from JPL's orbital elements.

Facts

Number	5386
Provisional designation	1975 TH6
Orbit class	Main-belt Asteroid
Diameter	6.60 km (#8,123 largest of 17,440 named asteroids with a measured size)
Albedo	0.282
Rotation period	16.8 hours
Absolute magnitude (H)	13.25
Orbital period	3.36 years
Semi-major axis	2.24 au
Perihelion – aphelion	1.93 – 2.55 au
Eccentricity	0.139
Inclination	9.47°
Closest distance between its orbit and Earth's (MOID)	0.915 au

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

Also named after someone called Esteban

All asteroids named after someone called Esteban

Also discovered on 1 October 1975

(4270) Juanvictoria

More named asteroids discovered by Felix Aguilar Observatory

All 62

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