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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01630133960813355 2.2848e-07  
a 5.230000861789692 4.6761e-07 au
q 5.144744841590827 1.3846e-06 au
i 12.96003851174996 2.8942e-05 deg
node 47.89925329188568 5.9967e-05 deg
peri 306.1763874590395 0.00081636 deg
M 330.7384347400301 0.00083141 deg
tp 2458955.596278201336
(2020-Apr-16.09627820)
0.010105 TDB
period 4368.688380705333
11.96
0.00058591
1.604e-06
d
yr
n .08240459575692541 1.1052e-08 deg/d
Q 5.315256881988558 4.7524e-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 = 4.15867 au 
 Jupiter MOID = .137245 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 13.8   n/a MPO339277  

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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