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505476 (2013 UL15)
Classification: TransNeptunian Object          SPK-ID: 2505476
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1017943593477522 0.00019842  
a 45.98227333442765 0.0054427 au
q 41.30153727899636 0.0070537 au
i 2.024426444609829 0.00024819 deg
node 81.92775439680099 0.016819 deg
peri 236.3565029984394 0.071185 deg
M 54.47326837886007 0.050417 deg
tp 2441967.336129376796
(1973-Oct-11.83612938)
15.186 TDB
period 113889.6045354968
311.81
20.221
0.05536
d
yr
n .003160955747175295 5.6122e-07 deg/d
Q 50.66300938985894 0.0059967 au
  Orbit Determination Parameters
   # obs. used (total)      63  
   data-arc span      2607 days (7.14 yr)  
   first obs. used      2013-08-02  
   last obs. used      2020-09-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      3  
   norm. resid. RMS      .1613  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 18:22:52  

Additional Information
 Earth MOID = 40.2869 au 
 Jupiter MOID = 36.2404 au 
 T_jup = 6.024 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 6.6   n/a MPO420010  
rotation period rot_per 11.78 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Andersen, M.; Benecchi, S.D.; Chen, Y.-T.; Eduardo, M.R.; et al (2018) arXiv:1812.04304.]

505476 (2013 UL15)          Discovered 2013-Aug-02 by Outer Solar System Origins Survey at Mauna Kea
Reference: Last Updated: 2017-11-07
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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