2003 LA7, also written as 2003 LA7, is a resonant trans-Neptunian object that goes around the Sun once for every four times that Neptune goes around. This means it is in a 1:4 orbital resonance with Neptune. Another example of such object in this resonance is 2011 UP411.
Orbit
The orbit of "fourtino" 2003 LA7 compared to Pluto and Neptune.
1:4 Libration
Neptune is held stationary at 5 o'clock.
2003 LA7 is in a 1:4 resonance with the planet Neptune.[1][2] For every one orbit that a it makes, Neptune orbits 4 times.
It is currently 43 AU from the Sun,[5] and will come to perihelion around 2041.[3]
Assuming a generic TNO albedo of 0.09, it is about 231 km in diameter.[4]
It has been observed 14 times over 4 oppositions.[3]
^ ab"MPEC 2009-C70 :Distant Minor Planets (2009 FEB. 28.0 TT)". Minor Planet Center. 10 February 2009. Retrieved 14 March 2009.
^ abMarc W. Buie. "Orbit Fit and Astrometric record for 03LA7" (last observation: 2008-03-12 using 17 of 18 observations). SwRI (Space Science Department). Retrieved 13 October 2014.
^ abWm. Robert Johnston (22 August 2008). "List of Known Trans-Neptunian Objects". Johnston's Archive. Archived from the original on 13 February 2009. Retrieved 14 March 2009.
^ ab"AstDys 2003LA7 Ephemerides". Department of Mathematics, University of Pisa, Italy. Archived from the original on 26 May 2011. Retrieved 19 March 2009.
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