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

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04625126278672346 9.5917e-08  
a 5.168433290932022 1.67e-07 au
q 4.929386724597475 5.8389e-07 au
i 3.634300607491094 8.7388e-06 deg
node 324.981050410718 0.00012184 deg
peri 57.66684461871685 0.00015031 deg
M 358.2732683685148 8.2396e-05 deg
tp 2459221.085392102945
(2021-Jan-06.58539210)
0.00098189 TDB
period 4291.77355758881
11.75
0.00020802
5.695e-07
d
yr
n .08388140594310711 4.0656e-09 deg/d
Q 5.407479857266569 1.7473e-07 au
  Orbit Determination Parameters
   # obs. used (total)      217  
   data-arc span      8446 days (23.12 yr)  
   first obs. used      1997-11-21  
   last obs. used      2021-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54597  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 14:15:13  

Additional Information
 Earth MOID = 3.93262 au 
 Jupiter MOID = .00408703 au 
 T_jup = 2.994 
[ show covariance matrix ]

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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