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118973 (2000 WD173)
Classification: Main-belt Asteroid          SPK-ID: 2118973
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1309925513768865 5.7912e-08  
a 3.190117090289309 2.6648e-08 au
q 2.772235513441303 1.8864e-07 au
i 15.85487273333747 6.0646e-06 deg
node 100.5212839288908 2.0942e-05 deg
peri 47.19639250157947 3.2027e-05 deg
M 130.6100330525886 2.1846e-05 deg
tp 2458245.438370376823
(2018-May-06.93837038)
0.00012781 TDB
period 2081.173860165074
5.70
2.6077e-05
7.139e-08
d
yr
n .1729793011966072 2.1674e-09 deg/d
Q 3.607998667137315 3.0139e-08 au
  Orbit Determination Parameters
   # obs. used (total)      786  
   data-arc span      7124 days (19.50 yr)  
   first obs. used      1999-11-07  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55629  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:56:18  

Additional Information
 Earth MOID = 1.81177 au 
 Jupiter MOID = 1.59125 au 
 T_jup = 3.125 
[ 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 14.1   n/a MPO348197  
diameter diameter 9.206 km 0.345 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.063   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118973 (2000 WD173)          Discovered 2000-Nov-25 by LONEOS at Anderson Mesa
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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