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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1023019887514425 0.00019718  
a 46.06104761897839 0.0054594 au
q 41.348910843582 0.0069909 au
i 2.02408411029795 0.00024777 deg
node 81.94364348128185 0.016812 deg
peri 237.2478579912039 0.072126 deg
M 54.22336788324807 0.051077 deg
tp 2442198.294584201583
(1974-May-30.79458420)
15.507 TDB
period 114182.3938900004
312.61
20.3
0.05558
d
yr
n .003152850345271375 5.6054e-07 deg/d
Q 50.77318439437477 0.0060179 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 = 40.3357 au 
 Jupiter MOID = 36.2911 au 
 T_jup = 6.029 
[ 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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