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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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05405958440939514 5.0655e-08  
a 2.981804574241611 3.4448e-08 au
q 2.820609458168076 1.4527e-07 au
i 10.17200553276292 5.1541e-06 deg
node 90.79142816353242 2.8909e-05 deg
peri 165.8926738106985 5.7671e-05 deg
M 171.7631102482012 5.2739e-05 deg
tp 2458103.185704644757
(2017-Dec-15.68570464)
0.00027154 TDB
period 1880.689898203975
5.15
3.2591e-05
8.923e-08
d
yr
n .191419117178113 3.3171e-09 deg/d
Q 3.142999690315146 3.631e-08 au
  Orbit Determination Parameters
   # obs. used (total)      340  
   data-arc span      7213 days (19.75 yr)  
   first obs. used      2001-02-16  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56246  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 00:21:10  

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 00:05 Jupiter 1.94414263746686 1.94414185945561 1.94414341549336 3.22771772302735 3.08979016965827 2421193.685430616 5.36969757963266 369.495562944365 20.088812659006 -84.1270791096234 2695256.39093023 T 20 CATAB v2.0f-lin.ifort 2020-Dec-18 00:21:11 2020-Dec-18 00:21
1953-May-17 14:09 00:03 Jupiter 1.91945213126111 1.91945150615463 1.91945275636791 3.57589205429402 3.45028071674548 2434515.089400209 3.24566915163405 99.9679128442973 19.4654635325851 -81.3883910710362 1927068.23494878 T 20 CATAB v2.0f-lin.ifort 2020-Dec-18 00:21:11 2020-Dec-18 00:21
1989-Oct-24 14:47 00:01 Jupiter 1.99689636608834 1.99689561152949 1.99689712064821 3.90072126859892 3.79042048230448 2447824.115750589 1.33292523066273 98.664877655462 19.3157724758478 -73.1831183542585 2863799.96116894 T 20 CATAB v2.0f-lin.ifort 2020-Dec-18 00:21:11 2020-Dec-18 00:21
2035-Mar-08 12:04 00:01 Jupiter 1.97774750338843 1.9777469352012 1.97774807157578 3.24822327398517 3.1135834184171 2464395.002893131 1.01648029563927 113.003223014842 21.4274432908884 -85.5778588252197 2756436.02894947 T 20 CATAB v2.0f-lin.ifort 2020-Dec-18 00:21:11 2020-Dec-18 00:21
2071-Aug-31 15:56 00:03 Jupiter 1.91354707168953 1.91354651904624 1.91354762433336 3.46449809495196 3.33428501426141 2477720.164043422 2.88518627456526 118.718459478916 20.9548959086103 -81.8985802167171 2767824.24244951 T 20 CATAB v2.0f-lin.ifort 2020-Dec-18 00:21:11 2020-Dec-18 00:21
2108-Feb-11 16:06 00:05 Jupiter 1.94997058813742 1.9499697554798 1.94997142080136 3.78373803535492 3.66714049020645 2491032.170956070 4.66243896903951 210.890032030254 17.1485842471948 -80.9983799585745 2820075.43886358 T 20 CATAB v2.0f-lin.ifort 2020-Dec-18 00:21:11 2020-Dec-18 00:21
2189-Dec-15 12:00 00:09 Jupiter 1.92695318025389 1.92695179725335 1.92695456329364 3.39706749577706 3.26510890766215 2520924.999937998 9.16507979056413 481.618388801935 21.1805224487327 -81.0807534608328 2752533.17631752 T 20 CATAB v2.0f-lin.ifort 2020-Dec-18 00:21:11 2020-Dec-18 00:21

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