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118934 (2000 WG31)
Classification: Main-belt Asteroid          SPK-ID: 2118934
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1302516356430177 4.1438e-08  
a 3.134107009204116 1.9326e-08 au
q 2.725884444975033 1.2898e-07 au
i 6.304141387083297 4.4805e-06 deg
node 124.5689662511814 3.7203e-05 deg
peri 323.2161831494392 4.0567e-05 deg
M 173.7762226905483 1.6909e-05 deg
tp 2458022.233886664577
(2017-Sep-25.73388666)
9.1732e-05 TDB
period 2026.605224512727
5.55
1.8745e-05
5.132e-08
d
yr
n .1776369643409745 1.6431e-09 deg/d
Q 3.542329573433198 2.1844e-08 au
  Orbit Determination Parameters
   # obs. used (total)      684  
   data-arc span      8557 days (23.43 yr)  
   first obs. used      1995-12-18  
   last obs. used      2019-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54318  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:07:56  

Additional Information
 Earth MOID = 1.7456 au 
 Jupiter MOID = 1.65845 au 
 T_jup = 3.190 
[ 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 14.8   n/a MPO436572  
diameter diameter 6.415 km 0.299 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118934 (2000 WG31)          Discovered 2000-Nov-20 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

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