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227478 (2005 WY188)
Classification: Main-belt Asteroid          SPK-ID: 2227478
[ 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 .1616151227812463 6.3564e-08  
a 2.582965255258232 2.1564e-08 au
q 2.16551900838998 1.7588e-07 au
i 3.299614724271767 4.3167e-06 deg
node 123.0531683163706 0.00010252 deg
peri 280.0781062720042 0.00010429 deg
M 245.1900976913065 2.335e-05 deg
tp 2459684.063063135886
(2022-Apr-14.56306314)		 0.00010317 TDB
period 1516.269060667401
4.15		 1.8988e-05
5.199e-08		 d
yr
n .2374248801472889 2.9733e-09 deg/d
Q 3.000411502126485 2.505e-08 au
   Orbit Determination Parameters
   # obs. used (total)      289  
   data-arc span      9646 days (26.41 yr)  
   first obs. used      1994-01-18  
   last obs. used      2020-06-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .63158  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:39:55  

Additional Information
 Earth MOID = 1.17631 au 
 Jupiter MOID = 2.39867 au 
 T_jup = 3.403 
[ 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 16.77   n/a E2021B55  

227478 (2005 WY188)          Discovered 2005-Nov-30 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2005 WY188 = 1998 BE38 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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