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JPL Small-Body Database Browser
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(2018 UA)
Classification: Apollo [NEO]          SPK-ID: 3831871
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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4474481990228899 0.00033633  
a 1.38959877461661 0.00086151 au
q .7678253055499931 1.8795e-05 au
i 2.641972644036291 0.0053863 deg
node 205.6505759150245 0.00010874 deg
peri 255.2789051740643 0.02474 deg
M 323.6270330909666 0.28779 deg
tp 2459060.951737424695
(2020-Jul-30.45173742)
0.53452 TDB
period 598.3186779158638
1.64
0.55641
0.001523
d
yr
n .60168604673014 0.00055954 deg/d
Q 2.011372243683227 0.001247 au
  Orbit Determination Parameters
   # obs. used (total)      29  
   first obs. used      2018-10-19  
   last obs. used      2018-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .36764  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-30 08:31:00  

Additional Information
 Earth MOID = .000282216 au 
 Jupiter MOID = 3.16856 au 
 T_jup = 4.668 
[ 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 30.2   .3176 E2018U80 autocmod 2.6n

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