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227480 (2005 WP192)
Classification: Main-belt Asteroid          SPK-ID: 2227480
[ 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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1582560376286263 6.1821e-08  
a 2.714773361069406 1.9922e-08 au
q 2.285144085886814 1.614e-07 au
i 10.75110251971446 5.8578e-06 deg
node 283.8988395007098 3.0443e-05 deg
peri 239.2621204536829 3.6195e-05 deg
M 90.52437271578185 1.8251e-05 deg
tp 2458789.670312985374
(2019-Nov-02.17031299)		 8.1161e-05 TDB
period 1633.799637470242
4.47		 1.7984e-05
4.924e-08		 d
yr
n .2203452563849385 2.4254e-09 deg/d
Q 3.144402636251999 2.3075e-08 au
   Orbit Determination Parameters
   # obs. used (total)      461  
   data-arc span      7149 days (19.57 yr)  
   first obs. used      2000-11-19  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57004  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:26:34  

Additional Information
 Earth MOID = 1.31549 au 
 Jupiter MOID = 1.97306 au 
 T_jup = 3.318 
[ 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 15.55   n/a E2021B55  
diameter diameter 4.450 km 0.179 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.081   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

227480 (2005 WP192)          Discovered 2005-Nov-25 by CSS at Catalina
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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