21047 Hodierna
Encyclopedia
21047 Hodierna is an outer main-belt asteroid
discovered on September 22, 1990 by E. W. Elst at the European Southern Observatory
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Asteroid
Asteroids are a class of small Solar System bodies in orbit around the Sun. They have also been called planetoids, especially the larger ones...
discovered on September 22, 1990 by E. W. Elst at the European Southern Observatory
European Southern Observatory
The European Southern Observatory is an intergovernmental research organisation for astronomy, supported by fifteen countries...
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