4287 Trísov
Encyclopedia
4287 Třísov is a main belt asteroid
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...

 with an orbital period
Orbital period
The orbital period is the time taken for a given object to make one complete orbit about another object.When mentioned without further qualification in astronomy this refers to the sidereal period of an astronomical object, which is calculated with respect to the stars.There are several kinds of...

 of 1198.1476637 days (4.28 years).

The asteroid was discovered on September 7, 1989 by Antonín Mrkos
Antonín Mrkos
Antonín Mrkos was a Czech astronomer, born in Střemchoví, Czechoslovakia.- Biography :Mrkos entered the University in Brno in 1938. His studies were interrupted by the onset of World War II, and in 1945 he became a staff member at the Skalnaté Pleso Observatory in Slovakia...

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