Word: objectively
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Dates: during 1970-1979
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...Kowal, a research assistant in the department of astrophysics at the California Institute of Technology, said it would be wrong to call the object an asteroid, because it is different from other known asteroids...
...possible icy composition of Object-Kowal, which astronomers have deduced based on the amount of light it reflects, suggests that it may be a comet, Kowal said yesterday. He added, however, he thinks it is too big and smooth to be a comet...
Marsden said he tends to think that Object-Kowal is a type of asteroid...
...tend to favor the idea that it's in a nearly circular orbit just inside the orbit of Uranus," he said. He added if the orbit is circular it is probably stable, suggesting the object has existed in its present orbit for a long time...
Marsden explained that it may not have been seen earlier because astronomers were not looking for such slowly moving objects. Object-Kowal moves three times more slowly than asteroids around Jupiter, he said...