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Lightcurve analysis of the asteroid 9021 Fagus observed at the BulgarianNational Astronomical Observatory Rozhen during two apparitions in 2013 and2017 are presented. This asteroid was observed in 2013 accidentally in thefield of view in which our long-term target asteroid 901 Brunsia waspositioned. A search of the Asteroid Lightcurve Database (Warner et al. 2009)did not find any previously reported results for the rotation period of 9021Fagus. Unfortunately two nights observations in 2013 showed that the rotationperiod could be only approximately assumed. The observations during twoneighbouring nights in 2017 March 20 and 21 revealed the period of $5.065 \pm0.002$ h with amplitude of $0.73\pm0.02$ mag. Obtained lightcurves incombination with other observational techniques, as well as with data gatheredfrom future space mission will contribute to the enlargement of the databasefor rotational characteristics of the asteroids.

Rotation period determination for asteroid 9021 Fagus