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392217 (2009 UJ45)
Classification: Jupiter Trojan          SPK-ID: 2392217
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01663825475694937 2.3098e-07  
a 5.231281783432967 4.6292e-07 au
q 5.144242384414821 1.3953e-06 au
i 12.9596450534865 2.894e-05 deg
node 47.90298903705781 5.9962e-05 deg
peri 307.4568331316704 0.00079159 deg
M 2.460211098923551 0.00080828 deg
tp 2458970.633765515932
(2020-May-01.13376552)
0.009811 TDB
period 4370.293434969362
11.97
0.00058009
1.588e-06
d
yr
n .08237433146237325 1.0934e-08 deg/d
Q 5.318321182451114 4.7062e-07 au
  Orbit Determination Parameters
   # obs. used (total)      60  
   data-arc span      4786 days (13.10 yr)  
   first obs. used      2003-03-31  
   last obs. used      2016-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50395  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 21:23:49  

Additional Information
 Earth MOID = 4.15869 au 
 Jupiter MOID = .135541 au 
 T_jup = 2.949 
[ 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 13.7   n/a MPO476849  

392217 (2009 UJ45)          Discovered 2009-Oct-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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