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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05385138916764779 4.4447e-08  
a 2.982361817195488 3.0429e-08 au
q 2.82175749033896 1.336e-07 au
i 10.17117293211555 4.9611e-06 deg
node 90.791696132453 2.4578e-05 deg
peri 165.9681463359525 5.4984e-05 deg
M 209.9531303710733 5.2788e-05 deg
tp 2459984.585389146620
(2023-Feb-09.08538915)
0.00028079 TDB
period 1881.217120962621
5.15
2.8791e-05
7.883e-08
d
yr
n .1913654707840356 2.9288e-09 deg/d
Q 3.142966144052015 3.2068e-08 au
  Orbit Determination Parameters
   # obs. used (total)      421  
   data-arc span      7297 days (19.98 yr)  
   first obs. used      2001-02-16  
   last obs. used      2021-02-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52196  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 03:17:38  

Additional Information
 Earth MOID = 1.80572 au 
 Jupiter MOID = 1.91478 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 1.94414266836734 1.94414189644472 1.94414344030322 3.22771762606237 3.08979007138494 2421193.685444882 4.74357253659608 334.170964598837 19.5663103836672 -83.8000799023462 3074151.52944033 T 22 CATAB v2.0f-lin.ifort 2021-Apr-14 03:17:39 2021-Apr-14 03:17
1953-May-17 14:09 00:03 Jupiter 1.91945211846642 1.91945162019553 1.91945261673743 3.57589199596681 3.45028065614881 2434515.089310643 2.88821480393946 91.0348129089336 17.1132698303838 -83.8821582080179 2294375.3847633 T 22 CATAB v2.0f-lin.ifort 2021-Apr-14 03:17:39 2021-Apr-14 03:17
1989-Oct-24 14:47 00:01 Jupiter 1.99689627635677 1.99689563331944 1.99689691939478 3.90072131796761 3.79042052869945 2447824.115660054 1.21547498036228 88.8887954150213 17.5544638247485 -74.5773096637918 3054382.10642752 T 22 CATAB v2.0f-lin.ifort 2021-Apr-14 03:17:39 2021-Apr-14 03:17
2035-Mar-08 12:04 < 00:01 Jupiter 1.97774751096305 1.97774703599225 1.97774798593373 3.24822306114353 3.11358319765829 2464395.002934786 0.875792163667356 96.621431005715 19.2589091817261 -88.0251218794883 3229593.84958351 T 22 CATAB v2.0f-lin.ifort 2021-Apr-14 03:17:39 2021-Apr-14 03:17
2071-Aug-31 15:56 00:03 Jupiter 1.91354705353022 1.91354660859754 1.913547498463 3.46449809574094 3.33428501455474 2477720.164127901 2.50125004019523 104.9044233385 18.3096150888549 -84.4858321190433 3040646.43547174 T 22 CATAB v2.0f-lin.ifort 2021-Apr-14 03:17:39 2021-Apr-14 03:17
2108-Feb-11 16:06 00:04 Jupiter 1.94997054451092 1.94996973796604 1.94997135106101 3.78373817246599 3.66714062968126 2491032.171018490 4.05323506259985 190.49921096065 16.0165592275003 -80.3190046982237 2900682.91806394 T 22 CATAB v2.0f-lin.ifort 2021-Apr-14 03:17:39 2021-Apr-14 03:17
2189-Dec-15 12:00 00:08 Jupiter 1.92695312287277 1.92695200438235 1.9269542413908 3.39706766522339 3.26510908069144 2520925.000322779 8.02257007823169 413.892359297737 20.2406603170345 -81.5164574675413 3166404.85723583 T 22 CATAB v2.0f-lin.ifort 2021-Apr-14 03:17:39 2021-Apr-14 03:17

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