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JPL Small-Body Database Browser
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185383 (2006 WE2)
Classification: Main-belt Asteroid          SPK-ID: 2185383
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1414561301145467 5.4908e-08  
a 2.771743722138321 2.2238e-08 au
q 2.379663581535344 1.5141e-07 au
i 7.156883076740423 5.7138e-06 deg
node 231.1120083515557 4.258e-05 deg
peri 294.9922411073048 4.5856e-05 deg
M 257.8998174074488 1.8039e-05 deg
tp 2459478.526588878460
(2021-Sep-21.02658888)
8.6359e-05 TDB
period 1685.497201146052
4.61
2.0284e-05
5.553e-08
d
yr
n .2135868275279357 2.5704e-09 deg/d
Q 3.163823862741297 2.5383e-08 au
  Orbit Determination Parameters
   # obs. used (total)      411  
   data-arc span      11227 days (30.74 yr)  
   first obs. used      1989-02-04  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55579  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 15:07:35  

Additional Information
 Earth MOID = 1.39684 au 
 Jupiter MOID = 1.87196 au 
 T_jup = 3.311 
[ 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 15.7   n/a MPO454276  

185383 (2006 WE2)          Discovered 2006-Nov-18 by Yeung, W. K. Y. at 7300
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ show close-approach data ]
Alternate Designations
 2006 WE2 = 1989 CS9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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