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266662 (2008 UJ209)
Classification: Jupiter Trojan          SPK-ID: 2266662
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1025992886667724 1.7297e-07  
a 5.14501409578176 2.2275e-07 au
q 4.617139309374035 1.0234e-06 au
i 1.266536538470467 9.4578e-06 deg
node 290.9146945647787 0.00071902 deg
peri 98.76115011865021 0.00072198 deg
M 6.788221960787055 5.7015e-05 deg
tp 2458920.122996037616
(2020-Mar-11.62299604)
0.00067557 TDB
period 4262.636312367009
11.67
0.00027682
7.579e-07
d
yr
n .08445477718930583 5.4846e-09 deg/d
Q 5.672888882189485 2.456e-07 au
  Orbit Determination Parameters
   # obs. used (total)      123  
   data-arc span      4842 days (13.26 yr)  
   first obs. used      2006-07-21  
   last obs. used      2019-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44652  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 04:05:52  

Additional Information
 Earth MOID = 3.62273 au 
 Jupiter MOID = .0232544 au 
 T_jup = 2.989 
[ 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 14.6   n/a MPO413195  

266662 (2008 UJ209)          Discovered 2008-Oct-23 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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