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JPL Small-Body Database Browser
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(2018 UL)
Classification: Apollo [NEO]          SPK-ID: 3831881
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 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2800938192938405 0.00010833  
a 1.344092959334721 0.00018523 au
q .9676208288686983 1.2284e-05 au
i .7586624585591335 0.00023319 deg
node 201.3150182686234 0.00019313 deg
peri 151.9467613060294 0.0017309 deg
M 30.93577054718078 0.080747 deg
tp 2458951.589644074696
(2020-Apr-12.08964407)
0.11755 TDB
period 569.1705046187762
1.56
0.11765
0.0003221
d
yr
n .6324993953105912 0.00013074 deg/d
Q 1.720565089800743 0.00023711 au
  Orbit Determination Parameters
   # obs. used (total)      43  
   data-arc span      3 days  
   first obs. used      2018-10-18  
   last obs. used      2018-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .3421  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-21 07:09:28  

Additional Information
 Earth MOID = .000349617 au 
 Jupiter MOID = 3.71159 au 
 T_jup = 4.847 
[ 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 29.2   .48588 MPO458818 autocmod 2.6n

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