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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05371955143480873 4.3713e-08  
a 2.982513827884271 3.0112e-08 au
q 2.822294522902214 1.3216e-07 au
i 10.17031078225943 4.8944e-06 deg
node 90.78872821531459 2.4129e-05 deg
peri 166.0211337235044 5.4892e-05 deg
M 247.394140947177 5.3131e-05 deg
tp 2459984.978516868767
(2023-Feb-09.47851687)
0.00028142 TDB
period 1881.36095097305
5.15
2.8492e-05
7.801e-08
d
yr
n .1913508408972802 2.8979e-09 deg/d
Q 3.142733132866329 3.173e-08 au
  Orbit Determination Parameters
   # obs. used (total)      432  
   data-arc span      7390 days (20.23 yr)  
   first obs. used      2001-02-16  
   last obs. used      2021-05-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52137  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 04:46:11  

Additional Information
 Earth MOID = 1.80798 au 
 Jupiter MOID = 1.91383 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 15.38   n/a MPCxxxxx  

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 1.944142662729 1.94414189148249 1.94414343398866 3.22771760198188 3.08979004582056 2421193.685481451 4.68445931264769 330.477997011977 19.4636184568309 -83.7523215231532 3131138.19413767 T 23 CATAB v2.0g-lin.ifort 2021-Jul-09 04:46:12 2021-Jul-09 04:46
1953-May-17 14:09 00:03 Jupiter 1.91945212995304 1.91945164525695 1.91945261464935 3.57589194613366 3.45028060526681 2434515.089332004 2.85453621351769 89.7056183780741 16.8367505825743 -84.1676704515008 2355716.97456703 T 23 CATAB v2.0g-lin.ifort 2021-Jul-09 04:46:12 2021-Jul-09 04:46
1989-Oct-24 14:47 00:01 Jupiter 1.99689628771818 1.9968956574729 1.99689691796414 3.90072127802585 3.79042048823209 2447824.115668984 1.20448073811691 87.9790202616169 17.364234197216 -74.8014517937414 3096189.49470853 T 23 CATAB v2.0g-lin.ifort 2021-Jul-09 04:46:12 2021-Jul-09 04:46
2035-Mar-08 12:04 < 00:01 Jupiter 1.97774751233691 1.97774704569152 1.97774797898229 3.24822303648476 3.11358317202876 2464395.002920291 0.86291778641733 94.5815123693138 19.0160051694697 -88.2000337911225 3286429.16642288 T 23 CATAB v2.0g-lin.ifort 2021-Jul-09 04:46:12 2021-Jul-09 04:46
2071-Aug-31 15:56 00:02 Jupiter 1.91354706274324 1.91354662846657 1.91354749702001 3.46449797033442 3.33428488488992 2477720.164092252 2.46539743984867 102.926274765563 17.9991636677144 -84.7545212315322 3075872.4186329 T 23 CATAB v2.0g-lin.ifort 2021-Jul-09 04:46:12 2021-Jul-09 04:46
2108-Feb-11 16:06 00:04 Jupiter 1.94997054072617 1.94996973591997 1.94997134553746 3.7837380412394 3.66714049405239 2491032.170962413 3.99603103091202 188.67104120813 15.8867479736885 -80.2405321194889 2927322.31761142 T 23 CATAB v2.0g-lin.ifort 2021-Jul-09 04:46:12 2021-Jul-09 04:46
2189-Dec-15 12:00 00:08 Jupiter 1.92695314643751 1.9269520533969 1.92695423950475 3.39706752584686 3.26510893732836 2520925.000222475 7.91543751170449 407.391882371322 20.0836002982565 -81.5611855965047 3230886.43728874 T 23 CATAB v2.0g-lin.ifort 2021-Jul-09 04:46:12 2021-Jul-09 04:46

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