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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2801547758110939 0.00010828  
a 1.344082883037615 0.00018522 au
q .9675316442686831 1.2233e-05 au
i .7586681961993614 0.00023319 deg
node 201.3197676823965 0.00019185 deg
peri 151.9603125496897 0.0017203 deg
M 137.9180261423381 0.028473 deg
tp 2458382.450028304819
(2018-Sep-20.95002830)
0.00026303 TDB
period 569.1641042574918
1.56
0.11765
0.0003221
d
yr
n .6325065078895679 0.00013074 deg/d
Q 1.720634121806547 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 = .00044198 au 
 Jupiter MOID = 3.70804 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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