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259657 (2003 WY117)
Classification: Main-belt Asteroid          SPK-ID: 2259657
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1470741807454038 5.6424e-08  
a 2.268341123662935 1.0321e-08 au
q 1.9347267112491 1.2724e-07 au
i 8.794534590563748 6.5654e-06 deg
node 47.34507944092874 2.451e-05 deg
peri 335.255568440585 2.9092e-05 deg
M 334.9562342863568 1.5004e-05 deg
tp 2459087.307671679203
(2020-Aug-25.80767168)
5.2138e-05 TDB
period 1247.845957426774
3.42
8.5163e-06
2.332e-08
d
yr
n .2884971481114289 1.9689e-09 deg/d
Q 2.60195553607677 1.1839e-08 au
  Orbit Determination Parameters
   # obs. used (total)      332  
   data-arc span      6233 days (17.07 yr)  
   first obs. used      2003-10-24  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59418  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 00:16:55  

Additional Information
 Earth MOID = .942627 au 
 Jupiter MOID = 2.84874 au 
 T_jup = 3.585 
[ 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 16.9   n/a MPO437206  

259657 (2003 WY117)          Discovered 2003-Nov-20 by LINEAR at Socorro
Reference: 20110119/Numbers.arcLast Updated: 2011-01-25

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