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118930 (2000 WB8)
Classification: Main-belt Asteroid          SPK-ID: 2118930
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1066853049445907 4.0308e-08  
a 3.030212653159875 2.4131e-08 au
q 2.706933492210556 1.3134e-07 au
i 9.227168793519819 4.8728e-06 deg
node 104.6945548044202 2.6349e-05 deg
peri 301.1736935185283 3.789e-05 deg
M 266.6618583884193 2.9713e-05 deg
tp 2459500.033636149980
(2021-Oct-12.53363615)
0.0001627 TDB
period 1926.673339633758
5.27
2.3014e-05
6.301e-08
d
yr
n .1868505639198976 2.2319e-09 deg/d
Q 3.353491814109193 2.6705e-08 au
  Orbit Determination Parameters
   # obs. used (total)      481  
   data-arc span      8049 days (22.04 yr)  
   first obs. used      1998-07-15  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52871  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 10:04:39  

Additional Information
 Earth MOID = 1.73143 au 
 Jupiter MOID = 2.0089 au 
 T_jup = 3.215 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.1   n/a MPO436572  
diameter diameter 6.290 km 0.178 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118930 (2000 WB8)          Discovered 2000-Nov-20 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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