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312486 (2008 UE190)
Classification: Jupiter Trojan          SPK-ID: 2312486
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 .07083541698454753 8.4548e-08  
a 5.279175609038864 2.2114e-07 au
q 4.905223003437944 5.6255e-07 au
i 5.207210342475085 1.0488e-05 deg
node 149.6216684952464 9.4226e-05 deg
peri 268.5423503389242 0.00013549 deg
M 305.3278126136519 0.00010645 deg
tp 2459673.339592806001
(2022-Apr-03.83959281)
0.0013309 TDB
period 4430.447453994579
12.13
0.00027838
7.622e-07
d
yr
n .08125590106602369 5.1055e-09 deg/d
Q 5.653128214639785 2.368e-07 au
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      8807 days (24.11 yr)  
   first obs. used      1995-07-27  
   last obs. used      2019-09-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65074  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:02:01  

Additional Information
 Earth MOID = 3.92252 au 
 Jupiter MOID = .0684221 au 
 T_jup = 2.987 
[ 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 MPO413277  

312486 (2008 UE190)          Discovered 2008-Oct-25 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

Alternate Designations
 2008 UE190 = 2007 RQ73 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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