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(2019 UB8)
Classification: Apollo [NEO]          SPK-ID: 3883103
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4484706221643746 0.00020054  
a 1.533079620288572 0.00048716 au
q .8455384491502331 3.8774e-05 au
i .2056524095788149 0.00065833 deg
node 54.72545198319365 0.073251 deg
peri 39.31807279461943 0.074702 deg
M 89.1222885923068 0.039566 deg
tp 2458828.855725188637
(2019-Dec-11.35572519)
0.005613 TDB
period 693.3387809951823
1.90
0.33048
0.0009048
d
yr
n .5192266895604408 0.00024749 deg/d
Q 2.220620791426911 0.00070564 au
  Orbit Determination Parameters
   # obs. used (total)      56  
   data-arc span      3 days  
   first obs. used      2019-10-25  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .35572  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Oct-29 06:40:14  

Additional Information
 Earth MOID = .00114814 au 
 Jupiter MOID = 2.98826 au 
 T_jup = 4.364 
[ 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 29.0   .38457 MPO502127 autocmod 2.8

[ show close-approach data ]
Alternate Designations
 2019 UB8 = 2019 US8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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