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Yalperni I-C was a planetary body, a moon that was one of three in orbit of planet Yalperni I in the Yalperni star system, somewhere in the space of the galaxy's Alpha or Beta Quadrants.
The Yalperni system was near to the 23rd century Federation border with the Klingon Neutral Zone. (ST video game: Klingon Academy)
| Yalperni star system | ||||||||||||||||||||||||||||||||||||||||||||||
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| Yalperni system primary star: Yalperni I (Yalperni I-A • Yalperni I-B • Yalperni I-C) |  
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