(278361) 2007 JJ43
|Discovered by||Palomar Observatory|
|Discovery date||14 May 2007|
|Alternative names||2007 JJ43|
|Minor planet category||TNO
|Epoch 2011-08-27 0:00UTC (JD 2455800.5)|
|Semi-major axis||47.82 AU|
|Orbital period||330.74 a (120801 d)|
|Longitude of ascending node||272.493°|
|Argument of perihelion||9.02°|
|Dimensions||610 km (0.10 albedo)
730 km (0.09 albedo)
|Absolute magnitude (H)||3.2 or 4.4|
Its discovery images were taken in 2007. Its absolute magnitude of 4.4 is one of the twenty brightest exhibited by TNOs. Assuming it has a typical albedo, this would make it roughly the same size as Ixion (≈650–800 km diameter). Mike Brown's website lists it as a highly likely dwarf planet, but the diameter of the object has never been measured.
- JPL Small-Body Database Browser: 2007 JJ43 Retrieved: 2011-06-18
- Wm. Robert Johnston (20 August 2011). "List of Known Trans-Neptunian Objects". Johnston's Archive. Retrieved 2012-02-03.
- AstDys 2007 JJ43 Summary Retrieved: 2012-02-03
- Michael E. Brown. "How many dwarf planets are there in the outer solar system? (updates daily)". California Institute of Technology. Retrieved 2011-08-25.
- "AstDys 2007 JJ43 Ephemerides". Department of Mathematics, University of Pisa, Italy. Retrieved 2012-02-03.
- A Southern Sky and Galactic Plane Survey for Bright Kuiper Belt Object
- Plutokiller (2012-02-03). "2007 JJ43 doesn't have a big moon. There could be a small one hiding in there". Twitter. Retrieved 2012-02-03. (moonless)
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