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392253 (2009 WB206)
Classification: Main-belt Asteroid          SPK-ID: 2392253
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08192028292682689 6.3687e-08  
a 2.204507894554077 1.7813e-08 au
q 2.023913984117784 1.4507e-07 au
i 2.259268125203914 7.2789e-06 deg
node 319.0272515126806 0.00010852 deg
peri 205.6684387385737 0.00011262 deg
M 344.7795321308779 3.0134e-05 deg
tp 2459051.046538094513
(2020-Jul-20.54653809)
0.00010027 TDB
period 1195.544964221533
3.27
1.4491e-05
3.967e-08
d
yr
n .3011179092159117 3.6497e-09 deg/d
Q 2.38510180499037 1.9273e-08 au
  Orbit Determination Parameters
   # obs. used (total)      184  
   data-arc span      5810 days (15.91 yr)  
   first obs. used      2004-02-26  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52805  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:43:17  

Additional Information
 Earth MOID = 1.03146 au 
 Jupiter MOID = 2.58768 au 
 T_jup = 3.657 
[ 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 18.0   n/a MPO455784  
diameter diameter 1.667 km 0.378 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.048   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

392253 (2009 WB206)          Discovered 2007-Jan-27 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17

Alternate Designations
 2009 WB206 = 2004 DJ79 = 2007 BP61 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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