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118978 (2000 WW196)
Classification: Main-belt Asteroid          SPK-ID: 2118978
[ 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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1758665986732624 4.254e-08  
a 3.009203244978249 2.1593e-08 au
q 2.47998490556738 1.3467e-07 au
i 10.23277279128062 4.754e-06 deg
node 67.08315277756047 3.2037e-05 deg
peri 359.1147323573757 3.7649e-05 deg
M 281.1919517953402 1.9932e-05 deg
tp 2459417.891672434015
(2021-Jul-22.39167243)		 0.00010734 TDB
period 1906.67077156925
5.22		 2.0522e-05
5.619e-08		 d
yr
n .1888107823165027 2.0322e-09 deg/d
Q 3.538421584389117 2.539e-08 au
   Orbit Determination Parameters
   # obs. used (total)      572  
   data-arc span      7191 days (19.69 yr)  
   first obs. used      2000-11-20  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54363  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:04:40  

Additional Information
 Earth MOID = 1.4938 au 
 Jupiter MOID = 1.78949 au 
 T_jup = 3.203 
[ 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 15.1   n/a MPO359571  
diameter diameter 2.688 km 0.374 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.268   0.121 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

118978 (2000 WW196)          Discovered 2000-Nov-20 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 2000 WW196 = 2002 GA177 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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