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JPL Small-Body Database Browser
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266889 (2009 WW46)
Classification: Main-belt Asteroid          SPK-ID: 2266889
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05433556879485837 5.4143e-08  
a 2.980611865144169 3.782e-08 au
q 2.818658624094857 1.5402e-07 au
i 10.17213554396494 5.4581e-06 deg
node 90.79101921996403 3.0846e-05 deg
peri 165.5532950255868 5.9425e-05 deg
M 95.51718744623089 5.2775e-05 deg
tp 2458101.804337392722
(2017-Dec-14.30433739)		 0.000274 TDB
period 1879.561609157331
5.15		 3.5773e-05
9.794e-08		 d
yr
n .1915340248737043 3.6454e-09 deg/d
Q 3.142565106193481 3.9875e-08 au
   Orbit Determination Parameters
   # obs. used (total)      305  
   data-arc span      6831 days (18.70 yr)  
   first obs. used      2001-02-16  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59394  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 04:07:12  

Additional Information
 Earth MOID = 1.80408 au 
 Jupiter MOID = 1.91584 au 
 T_jup = 3.233 
[ 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 15.2   n/a MPO454983  

266889 (2009 WW46)          Discovered 2009-Nov-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2009 WW46 = 2006 DJ64 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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