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227479 (2005 WE190)
Classification: Main-belt Asteroid          SPK-ID: 2227479
[ 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 .09332385127444043 1.0405e-07  
a 2.597226977827239 2.3656e-08 au
q 2.354843753622526 2.7385e-07 au
i 14.06911318874593 9.2478e-06 deg
node 199.728287643909 1.4976e-05 deg
peri 151.2100275159814 3.6506e-05 deg
M 268.1198387675906 3.2668e-05 deg
tp 2459590.695748147920
(2022-Jan-11.19574815)		 0.00014125 TDB
period 1528.844393056009
4.19		 2.0887e-05
5.719e-08		 d
yr
n .2354719693090515 3.2171e-09 deg/d
Q 2.839610202031953 2.5864e-08 au
   Orbit Determination Parameters
   # obs. used (total)      329  
   data-arc span      5887 days (16.12 yr)  
   first obs. used      2004-05-30  
   last obs. used      2020-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57815  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:26:34  

Additional Information
 Earth MOID = 1.35848 au 
 Jupiter MOID = 2.56038 au 
 T_jup = 3.368 
[ 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 16.30   n/a E2021B55  

227479 (2005 WE190)          Discovered 2005-Nov-20 by LONEOS at Anderson Mesa
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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