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66937 (1999 WB6)
Classification: Main-belt Asteroid          SPK-ID: 2066937
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05239095513823872 3.5143e-08  
a 2.739624086691662 1.4061e-08 au
q 2.596092564070161 9.7447e-08 au
i 4.602732875299845 4.0754e-06 deg
node 86.26633997395791 6.2665e-05 deg
peri 4.222818313826771 8.0722e-05 deg
M 152.6932727184151 5.0385e-05 deg
tp 2458297.990351365046
(2018-Jun-28.49035136)
0.00023154 TDB
period 1656.284320887982
4.53
1.2751e-05
3.491e-08
d
yr
n .2173539865468228 1.6733e-09 deg/d
Q 2.883155609313163 1.4797e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1227  
   data-arc span      10640 days (29.13 yr)  
   first obs. used      1990-11-18  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51017  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 10:53:28  

Additional Information
 Earth MOID = 1.61265 au 
 Jupiter MOID = 2.21691 au 
 T_jup = 3.344 
[ 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 14.3   n/a MPO474547  
diameter diameter 3.776 km 0.283 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.341   0.083 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66937 (1999 WB6)          Discovered 1999-Nov-28 by Korlevic, K. at Visnjan
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 WB6 = 1997 GY41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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