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JPL Small-Body Database Browser
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266851 (2009 UK79)
Classification: Jupiter Trojan          SPK-ID: 2266851
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04551891551355617 1.1613e-07  
a 5.165622952602048 2.2091e-07 au
q 4.930489397847669 7.5233e-07 au
i 3.634792893726685 1.1844e-05 deg
node 324.9848882382521 0.00012593 deg
peri 57.25304951484151 0.00016633 deg
M 308.261407590551 0.00010982 deg
tp 2459216.803437392453
(2021-Jan-02.30343739)		 0.0013152 TDB
period 4288.2735522732
11.74		 0.00027509
7.532e-07		 d
yr
n .08394986831219411 5.3853e-09 deg/d
Q 5.400756507356427 2.3097e-07 au
   Orbit Determination Parameters
   # obs. used (total)      155  
   data-arc span      7978 days (21.84 yr)  
   first obs. used      1997-11-21  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59756  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 04:06:36  

Additional Information
 Earth MOID = 3.93415 au 
 Jupiter MOID = .000176799 au 
 T_jup = 2.994 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456998.5 (2014-Dec-07.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04505172195400584 1.1506e-07  
q 4.928904668160375 7.4481e-07 au
tp 2454950.008453873122
(2009-Apr-28.50845387)		 0.0013214 TDB
node 325.0304584144453 0.00012598 deg
peri 58.5621505741681 0.00016815 deg
i 3.634470639387543 1.1844e-05 deg
   Orbit Determination Parameters
   # obs. used (total)      155  
   data-arc span      7978 days (21.84 yr)  
   first obs. used      1997-11-21  
   last obs. used      2019-09-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59756  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 04:06:36  

Additional Information
 Jupiter MOID = .000176799 au 
 T_jup = 2.994 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.323913654755385E-14 -8.362578469180359E-14 -5.078186903834088E-11 -9.778196741949529E-15 -5.037074362283676E-12 -1.020531924594168E-15
q -8.362578469180359E-14 5.54738580077209E-13 2.597128114681123E-10 8.309424028368234E-14 2.810120704258304E-11 1.209913253783353E-14
tp -5.078186903834088E-11 2.597128114681123E-10 1.74612328896657E-6 -9.459616990822162E-11 1.465907381279031E-7 -1.526829516738778E-11
node -9.778196741949529E-15 8.309424028368234E-14 -9.459616990822162E-11 1.587108727578175E-8 -1.584511798790782E-8 3.526890861460142E-10
peri -5.037074362283676E-12 2.810120704258304E-11 1.465907381279031E-7 -1.584511798790782E-8 2.827571388832805E-8 -3.529042903481182E-10
i -1.020531924594168E-15 1.209913253783353E-14 -1.526829516738778E-11 3.526890861460142E-10 -3.529042903481182E-10 1.402893682692242E-10

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.6   n/a MPO494442  

266851 (2009 UK79)          Discovered 2001-Feb-27 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

Alternate Designations
 2009 UK79 = 2010 VX106 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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