309809
Using JPL Horizons , the barycentric orbital elements for epoch 2030-Jan-01 generate a semi-major axis of 7,500 AU , an apoapsis distance of 15,000 AU , and a period of approximately 650,000 years .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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