A new interesting object was discovered during the survey of October 15th. From our measurements of the first night, it was proposed that the object might be gravitationally bound to the largest planet in the solar system – Jupiter. The decision was made to continue observing the object iJTA033. Measurements obtained the second night, supported the hypothesis that the new object was located beyond the main asteroid belt. The observations of the 17th of October removed all doubt – the object was gravitationally bound to Jupiter. Since a temporary designation had not yet been obtained, I sent a letter to the director of the MPC, Timothy Spar. Within a few hours our observations were tied to an object discovered by the space telescope WISE on June 26, 2010. After two nights of observations the designation 2010 OY75 was given to an asteroid recovered by the observatory ISON-NM after 2.5 months.

The precision of the orbit of 2010 OY75 was significantly improved – it actually did belong to a rather rare family of asteroids – Jovian Trojans, located at the L4 point. At the moment 4525 asteroids of the family are known, 2792 of them are at the L4 point (“Greeks”), and the remaining 1733 – are at the L5 point (“Trojans”).

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