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JPL Small-Body Database Browser
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(2018 WQ)
Classification: Apollo [NEO]          SPK-ID: 3836281
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.


Orbital Elements at Epoch 2458456.5 (2018-Dec-04.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6179379627470649 0.0011777  
a 2.6560098395329 0.0083078 au
q 1.014760530255781 4.6e-05 au
i .6384022640930134 0.00098495 deg
node 13.18982743093257 0.0064669 deg
peri 46.25049130385212 0.0046032 deg
M 2.851352379786402 0.012811 deg
tp 2458443.977491426190
(2018-Nov-21.47749143)
0.0024965 TDB
period 1581.040322665874
4.33
7.418
0.02031
d
yr
n .2276981774841678 0.0010683 deg/d
Q 4.297259148810019 0.013441 au
  Orbit Determination Parameters
   # obs. used (total)      33  
   data-arc span      18 days  
   first obs. used      2018-11-18  
   last obs. used      2018-12-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .42967  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:55:14  

Additional Information
 Earth MOID = .0279829 au 
 Jupiter MOID = 1.07944 au 
 T_jup = 3.082 
[ 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 26.3   .63111 E2018X53 autocmod 2.6q

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