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JPL Small-Body Database Browser
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(2018 WF2)
Classification: Apollo [NEO]          SPK-ID: 3836412
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 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5862444781038605 0.00073024  
a 2.153656244676004 0.0036041 au
q .8910871635008001 8.1644e-05 au
i 1.484770357810367 0.0015393 deg
node 59.76025496357786 0.00096468 deg
peri 52.4710990746506 0.0030543 deg
M 35.93289591315056 0.08766 deg
tp 2458485.273406579269
(2019-Jan-01.77340658)
0.0081644 TDB
period 1154.417771718808
3.16
2.8978
0.007934
d
yr
n .3118455110613876 0.00078279 deg/d
Q 3.416225325851208 0.0057169 au
  Orbit Determination Parameters
   # obs. used (total)      15  
   data-arc span      1 day  
   first obs. used      2018-11-29  
   last obs. used      2018-11-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .78061  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Nov-30 20:42:31  

Additional Information
 Earth MOID = .00457713 au 
 Jupiter MOID = 1.73203 au 
 T_jup = 3.458 
[ 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 28.4   .22141 E2018X11 autocmod 2.6q

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