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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4472727684609729 0.00033637  
a 1.389757531219089 0.00086179 au
q .7681568327412399 1.8844e-05 au
i 2.642311176058553 0.0053891 deg
node 205.6842005419951 0.00025671 deg
peri 255.2052585282234 0.025049 deg
M 83.05998842249434 0.063534 deg
tp 2458462.430946824243
(2018-Dec-09.93094682)
0.022823 TDB
period 598.4212144413378
1.64
0.55662
0.001524
d
yr
n .6015829507917456 0.00055956 deg/d
Q 2.011358229696938 0.0012472 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 = .000186405 au 
 Jupiter MOID = 3.16955 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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