(4390) Madreteresa Main-belt Asteroid

Discovered on 5 April 1976 by Felix Aguilar Observatory at El Leoncito.

Named in memory of Albanian-born Ines Gonxha Bojaxhiu (1910-1997), better known as Mother Theresa of Calcutta, who devoted her life to helping sick, destitute and homeless people, first in India and then in the rest of the world. Among her many awards, in 1979 she received the Nobel Peace Prize.Naming citation (19980411/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Madreteresa is today

Seen from above the solar system on 2026-10-14: Madreteresa is 2.97 au from the Sun and 2.46 au from Earth. Computed from JPL's orbital elements.

Facts

Number	4390
Provisional designation	1976 GO8
Orbit class	Main-belt Asteroid
Diameter	11.3 km (#4,390 largest of 17,440 named asteroids with a measured size)
Albedo	0.0430
Rotation period	13.2 hours
Spectral type	Cgh
Absolute magnitude (H)	13.46
Orbital period	3.71 years
Semi-major axis	2.40 au
Perihelion – aphelion	1.82 – 2.97 au
Eccentricity	0.240
Inclination	10.7°
Closest distance between its orbit and Earth's (MOID)	0.847 au

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

Also discovered on 5 April 1976

More named asteroids discovered by Felix Aguilar Observatory

All 62

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