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(2018 WF3)
Classification: Outer Main-belt Asteroid          SPK-ID: 3836730
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458421.5 (2018-Oct-30.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6031854257563322 0.0032581  
a 4.246664755249101 0.039115 au
q 1.685138466809762 0.001929 au
i 20.36471647680122 0.066629 deg
node 39.00057064415938 0.042027 deg
peri 349.2362253039782 0.11613 deg
M 4.44881766890731 0.041779 deg
tp 2458381.998598939979
(2018-Sep-20.49859894)
0.19783 TDB
period 3196.468239414341
8.75
44.163
0.1209
d
yr
n .1126243006456274 0.001556 deg/d
Q 6.808191043688441 0.062709 au
  Orbit Determination Parameters
   # obs. used (total)      16  
   data-arc span      38 days  
   first obs. used      2018-10-22  
   last obs. used      2018-11-29  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .45883  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:55:28  

Additional Information
 Earth MOID = .694253 au 
 Jupiter MOID = .768846 au 
 T_jup = 2.576 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 20.1   .56089 E2018X61 autocmod 2.6q
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters ]
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