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160357 (2003 WF117)
Classification: Main-belt Asteroid          SPK-ID: 2160357
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3690064131474985 5.3474e-08  
a 2.780312256745016 3.1037e-08 au
q 1.75435920345351 1.5339e-07 au
i 8.930712213684338 5.7501e-06 deg
node 270.916683430121 4.8306e-05 deg
peri 54.26366775534004 4.9446e-05 deg
M 302.2527393518793 1.7075e-05 deg
tp 2459472.123708853630
(2021-Sep-14.62370885)		 8.3962e-05 TDB
period 1693.319026562154
4.64		 2.8354e-05
7.763e-08		 d
yr
n .2126002214307405 3.5599e-09 deg/d
Q 3.806265310036521 4.2489e-08 au
   Orbit Determination Parameters
   # obs. used (total)      273  
   data-arc span      7932 days (21.72 yr)  
   first obs. used      1998-08-29  
   last obs. used      2020-05-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59624  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:01:01  

Additional Information
 Earth MOID = .757909 au 
 Jupiter MOID = 1.65049 au 
 T_jup = 3.214 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.74   n/a E2021B55  

160357 (2003 WF117)          Discovered 2003-Nov-20 by LINEAR at Socorro
Reference: 20070730/Numbers.arcLast Updated: 2007-08-06

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