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JPL Small-Body Database Browser
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(2018 WF)
Classification: Apollo [NEO]          SPK-ID: 3836271
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5052735725507882 0.00065464  
a 2.024680577509547 0.0027345 au
q 1.001662988837105 2.7413e-05 au
i 14.40350868973438 0.012437 deg
node 234.6374952951966 0.00013594 deg
peri 192.4921059977351 0.0034595 deg
M 323.8306589489514 0.64953 deg
tp 2459502.223442982969
(2021-Oct-14.72344298)
2.1128 TDB
period 1052.284569413392
2.88
2.1318
0.005837
d
yr
n .3421127805767276 0.00069308 deg/d
Q 3.04769816618199 0.0041162 au
  Orbit Determination Parameters
   # obs. used (total)      66  
   data-arc span      1 day  
   first obs. used      2018-11-17  
   last obs. used      2018-11-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .62536  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:55:12  

Additional Information
 Earth MOID = .0204702 au 
 Jupiter MOID = 2.30425 au 
 T_jup = 3.613 
[ 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 26.5   .47899 E2018X11 autocmod 2.6q

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