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357918 (2005 WS41)
Classification: Main-belt Asteroid          SPK-ID: 2357918
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1307593311169587 4.4406e-08  
a 3.1271632358899 3.6687e-08 au
q 2.718257462871392 1.4679e-07 au
i 11.35898888074492 5.6269e-06 deg
node 55.84254865061715 2.9502e-05 deg
peri 194.5812558007291 3.994e-05 deg
M 30.18747987596784 2.4748e-05 deg
tp 2458831.125271420262
(2019-Dec-13.62527142)
0.00013919 TDB
period 2019.873886102283
5.53
3.5544e-05
9.731e-08
d
yr
n .1782289490828984 3.1364e-09 deg/d
Q 3.536069008908406 4.1484e-08 au
  Orbit Determination Parameters
   # obs. used (total)      247  
   data-arc span      5347 days (14.64 yr)  
   first obs. used      2005-10-26  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53906  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 06:34:57  

Additional Information
 Earth MOID = 1.7062 au 
 Jupiter MOID = 1.49739 au 
 T_jup = 3.171 
[ 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 15.4   n/a MPO437512  

357918 (2005 WS41)          Discovered 2005-Nov-21 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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