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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 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1916-Nov-26 04:27 00:06 Jupiter 1.94414263709655 1.94414185592897 1.94414341828037 3.22771771427792 3.08979016049141 2421193.685493720 5.66697761639789 385.960754248945 20.302085515012 -84.2493000521842 2588756.5120022 T 18 CATAB v2.0f-lin.ifort 2020-Feb-25 12:50:31 2020-Feb-25 12:50
1953-May-17 14:09 00:03 Jupiter 1.91945215171932 1.91945147080802 1.91945283263117 3.57589203294529 3.45028069598271 2434515.089433757 3.41610453844459 103.923214379538 20.3218838978767 -80.4513575448063 1822602.99098174 T 18 CATAB v2.0f-lin.ifort 2020-Feb-25 12:50:31 2020-Feb-25 12:50
1989-Oct-24 14:47 00:01 Jupiter 1.99689638142139 1.9968955764924 1.99689718635151 3.90072129417833 3.79042050948751 2447824.115768536 1.38975337286567 103.306114122237 20.0260637411372 -72.6570440880555 2804811.3442574 T 18 CATAB v2.0f-lin.ifort 2020-Feb-25 12:50:31 2020-Feb-25 12:50
2035-Mar-08 12:04 00:01 Jupiter 1.9777475174218 1.97774690549849 1.97774812934544 3.24822325308216 3.1135833975862 2464395.002875872 1.08238956743553 119.652547862199 22.210204004706 -84.6638852725306 2610373.11662787 T 18 CATAB v2.0f-lin.ifort 2020-Feb-25 12:50:31 2020-Feb-25 12:50
2071-Aug-31 15:56 00:03 Jupiter 1.91354709032008 1.91354648949761 1.91354769114331 3.46449801822134 3.33428493582677 2477720.164008662 3.06568889114114 124.523087397944 21.8766380005697 -80.9579085122379 2676575.82765778 T 18 CATAB v2.0f-lin.ifort 2020-Feb-25 12:50:31 2020-Feb-25 12:50
2108-Feb-11 16:06 00:05 Jupiter 1.94997058277697 1.94996973638025 1.94997142918068 3.78373797266817 3.66714042520094 2491032.170896284 4.94920173395256 220.81883432695 17.5640714853321 -81.2569798312276 2800941.93949296 T 18 CATAB v2.0f-lin.ifort 2020-Feb-25 12:50:31 2020-Feb-25 12:50
2189-Dec-15 12:00 00:10 Jupiter 1.9269532172666 1.92695171469061 1.92695471988783 3.39706736014461 3.26510876913401 2520924.999820739 9.70572039575862 513.069470822985 21.5001513237489 -80.9296544531818 2643406.25764521 T 18 CATAB v2.0f-lin.ifort 2020-Feb-25 12:50:31 2020-Feb-25 12:50

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