Oak Ridge Observatory

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The Oak Ridge Observatory, also known as the George R. Agassiz Station, is located at 42 Pinnacle Road, Harvard, Massachusetts. It was operated by the Center for Astrophysics Harvard & Smithsonian as a facility of the Smithsonian Astrophysical Observatory from 1933 until August 19, 2005.

Description

The observatory was established in 1933. Through its first 40 years, its primary research focus was on tracking minor planets and asteroids in the Solar System. Starting in the 1980s, astronomers began to use the facility to measure stars over long periods of time, which led to hunts for extrasolar planets.
The largest telescope east of Texas in the United States is the 61-inch reflector . However, most of its projects were discontinued in 2005. Harvard University's Optical SETI program continues at the site.
It also housed an steerable radio telescope once used in Project BETA, a search for extraterrestrial intelligence. A 41-cm Boller and Chivens Cassegrain reflector originally housed at Oak Ridge is available for public use at the National Air and Space Museum's Public Observatory Project on the National Mall in Washington, DC.
The inner main-belt asteroid 4733 ORO, discovered at Oak Ridge in 1982, was named in honor of the observatory.

In addition to the discoveries below, the Minor Planet Center inconsistently credits some asteroids such as 4760 Jia-xiang directly to the Harvard College Observatory although they have been discovered at Oak Ridge.