(130391) 2000 JG81
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Discovery
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|---|---|
| Discovered by | La Silla Observatory[1] |
| Discovery date | May 6, 2000 |
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Designations
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| MPC designation | (130391) 2000 JG81 |
| Alternate name(s) | none |
| Minor planet category |
twotino[2][3] |
| Aphelion | 61.546 AU |
| Perihelion | 34.172 AU |
| Semi-major axis | 47.859 AU |
| Eccentricity | 0.286 |
| Orbital period | 120951 d 331.15 (a)[4] |
| Mean anomaly | 11.3° |
| Inclination | 23.4° |
| Longitude of ascending node | 45.9° |
| Argument of perihelion | 170.1° |
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Physical characteristics
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| Dimensions | 67 km[5] |
| Albedo | 0.09 (assumed) |
| Absolute magnitude (H) | 7.9 |
(130391) 2000 JG81, also written as 2000 JG81, is a trans-Neptunian object that resides in the Kuiper belt. It was discovered on May 6, 2000 at the La Silla Observatory.
It is in a 2:1 orbital resonance with the planet Neptune.
When it was first discovered in 2000, it was assumed to be a plutino at perihelion.[6]
[edit] References
- ^ List Of Transneptunian Objects
- ^ "MPEC 2009-J35 :Distant Minor Planets (2009 MAY 29.0 TT)". Minor Planet Center. 2009-05-08. http://www.cfa.harvard.edu/mpec/K09/K09J35.html. Retrieved 2009-05-12.
- ^ Marc W. Buie (2006/04/28 using 18 observations). "Orbit Fit and Astrometric record for 130391". SwRI (Space Science Department). http://www.boulder.swri.edu/~buie/kbo/astrom/130391.html. Retrieved 2009-05-12.
- ^ AstDyS: (130391) 2000JG81
- ^ List of known trans-Neptunian objects
- ^ "MPEC 2000-K31: 2000 JF81, 2000 JG81, 2000 JH81, 2000 KK4, 2000 KL4". Minor Planet Center. 2000-05-29. http://sao-www.cfa.harvard.edu/iau/mpec/K00/K00K31.html. Retrieved 2009-01-30.
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