Tags: Asteroid.
4090 Říšehvězd is a main-belt asteroid with an orbital period of 1321.9792938 days (3.62 years). It is the asteroid with the most diacritics in its name.The asteroid was discovered on September 2 1986 by Antonín Mrkos at Kleť Observatory. The asteroid was named after the Czech popular astronomy journal Říše hvězd (“the realm of stars”).