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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5858747240087343 0.0006923  
a 2.154501572777551 0.0036777 au
q .8922335584501194 3.202e-05 au
i 1.474672391652643 0.0013752 deg
node 59.26921580154561 0.007883 deg
peri 53.29498108657147 0.011978 deg
M 282.9969095939483 0.72422 deg
tp 2459643.572440223629
(2022-Mar-05.07244022)
2.9564 TDB
period 1155.097516365607
3.16
2.9576
0.008097
d
yr
n .3116619981425485 0.000798 deg/d
Q 3.416769587104983 0.0058323 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .7806  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:55:24  

Additional Information
 Earth MOID = .0050142 au 
 Jupiter MOID = 1.72948 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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