(126155) 2001 YJ140, also written as (126155) 2001 YJ140, is a trans-neptunian object discovered on December 20, 2001 by C. A. Trujillo, M. E. Brown, Glenn Smith.
| Attributes | Values |
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| rdfs:comment |
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| absolute magnitude |
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| apoapsis (μ) |
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| discovery date |
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| discoverer | |
| former name |
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| periapsis (μ) |
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