Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05405958172312617 5.3496e-08  
a 2.981804572440994 3.6377e-08 au
q 2.820609464474729 1.5074e-07 au
i 10.17200533281085 5.1907e-06 deg
node 90.79143271735853 3.0289e-05 deg
peri 165.8926701038835 5.8889e-05 deg
M 171.7631098557457 5.2981e-05 deg
tp 2458103.185707507788
(2017-Dec-15.68570751)		 0.00027339 TDB
period 1880.689896500441
5.15		 3.4415e-05
9.422e-08		 d
yr
n .1914191173515009 3.5028e-09 deg/d
Q 3.14299968040726 3.8343e-08 au
   Orbit Determination Parameters
   # obs. used (total)      331  
   data-arc span      6889 days (18.86 yr)  
   first obs. used      2001-02-16  
   last obs. used      2019-12-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56857  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 12:50:28  

Additional Information
 Earth MOID = 1.8063 au 
 Jupiter MOID = 1.91578 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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-06 23:45 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin