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392221 (2009 UG95)
Classification: Jupiter Trojan          SPK-ID: 2392221
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03419816921482013 1.9145e-07  
a 5.32530889215175 1.3815e-06 au
q 5.143193077536758 8.7944e-07 au
i 14.6842225522629 1.6135e-05 deg
node 44.53326477051728 5.5825e-05 deg
peri 58.80040768566374 0.00070054 deg
M 244.9706513519814 0.00076488 deg
tp 2460434.739874647593
(2024-May-04.23987465)
0.010065 TDB
period 4488.648861718362
12.29
0.0017467
4.782e-06
d
yr
n .08020230833163977 3.121e-08 deg/d
Q 5.507424706766741 1.4288e-06 au
  Orbit Determination Parameters
   # obs. used (total)      55  
   data-arc span      3222 days (8.82 yr)  
   first obs. used      2009-09-15  
   last obs. used      2018-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .71257  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:41:43  

Additional Information
 Earth MOID = 4.18422 au 
 Jupiter MOID = .0288973 au 
 T_jup = 2.933 
[ 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 13.9   n/a MPO455784  

392221 (2009 UG95)          Discovered 2009-Sep-15 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

Alternate Designations
 2009 UG95 = 2009 RR62 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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