Comet Urata-Niijima is a periodic comet in the Solar System discovered by Japanese astronomers Tsuneo Niijima and Takeshi Urata on October 30, 1986, at Ojima. The first orbit was calculated by Brian G. Marsden on November 5 giving an orbital period of 6.42 years.
Comet Urata-Niijima is a periodic comet in the Solar System discovered by Japanese astronomers Tsuneo Niijima and Takeshi Urata on October 30, 1986, at Ojima. The first orbit was calculated by Brian G. Marsden on November 5 giving an orbital period of 6.42 years.
On October 20, 1993, the comet was recovered by J. V. Scotti (Spacewatch, Kitt Peak Observatory, Arizona, United States), and on the next return on March 4, 2000, by Philippe. L. Lamy and Harold. A. Weaver using the Hubble Space Telescope.
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).