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JPL Small-Body Database Browser
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(2019 UE4)
Classification: Apollo [NEO]          SPK-ID: 3879528
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4150335455913712 0.00016983  
a 1.371824563245642 0.00029688 au
q .8024713508324689 5.9323e-05 au
i 1.13711297264183 0.00040027 deg
node 210.0281360798159 2.4544e-05 deg
peri 107.5042945974805 0.00079057 deg
M 167.0448380802349 0.057525 deg
tp 2458728.181686814823
(2019-Sep-01.68168681)
0.0053781 TDB
period 586.8759183062926
1.61
0.19051
0.0005216
d
yr
n .6134175705129457 0.00019913 deg/d
Q 1.941177775658815 0.00042009 au
  Orbit Determination Parameters
   # obs. used (total)      82  
   data-arc span      12 days  
   first obs. used      2019-10-23  
   last obs. used      2019-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .64206  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-04 04:55:56  

Additional Information
 Earth MOID = .000852495 au 
 Jupiter MOID = 3.37559 au 
 T_jup = 4.727 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 27.7   .42006 MPO502114 autocmod 2.8

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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