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216836 (2006 WW54)
Classification: Main-belt Asteroid          SPK-ID: 2216836
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03031825204022918 6.3869e-08  
a 3.069566288126498 3.6649e-08 au
q 2.976502403748888 2.114e-07 au
i .7510466831320658 6.6088e-06 deg
node 295.686353690002 0.00062863 deg
peri 15.36623111290214 0.00064822 deg
M 19.68746303857956 0.00015316 deg
tp 2459289.076027923678
(2021-Mar-15.57602792)
0.00083645 TDB
period 1964.327748663861
5.38
3.5179e-05
9.631e-08
d
yr
n .1832688054449531 3.2822e-09 deg/d
Q 3.162630172504108 3.776e-08 au
  Orbit Determination Parameters
   # obs. used (total)      154  
   data-arc span      9394 days (25.72 yr)  
   first obs. used      1995-11-15  
   last obs. used      2021-08-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59949  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 23:41:24  

Additional Information
 Earth MOID = 1.96136 au 
 Jupiter MOID = 1.91641 au 
 T_jup = 3.230 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457168.5 (2015-May-26.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02847948563465347 6.754e-08  
q 2.978213573178604 2.2252e-07 au
tp 2457363.538112809998
(2015-Dec-07.03811281)
0.00087236 TDB
node 295.8049333757292 0.00062626 deg
peri 21.84354983473832 0.00064687 deg
i .7537682263089941 6.6112e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      154  
   data-arc span      9394 days (25.72 yr)  
   first obs. used      1995-11-15  
   last obs. used      2021-08-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59949  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 23:41:24  

Additional Information
 Jupiter MOID = 1.91641 au 
 T_jup = 3.230 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.561633067459203E-15 -1.487235096789613E-14 2.33077573905805E-11 -1.31817473138302E-14 4.372708140464694E-12 -2.052611053792683E-16
q -1.487235096789613E-14 4.951333902731238E-14 -8.480421415421916E-11 7.790030092627458E-14 -1.594098394846694E-11 9.449916908775355E-16
tp 2.33077573905805E-11 -8.480421415421916E-11 7.610145340781404E-7 -2.08634996170377E-10 1.414064542044781E-7 -1.879559841346298E-12
node -1.31817473138302E-14 7.790030092627458E-14 -2.08634996170377E-10 3.922047519320342E-7 -3.922076449896668E-7 4.237834552430616E-10
peri 4.372708140464694E-12 -1.594098394846694E-11 1.414064542044781E-7 -3.922076449896668E-7 4.184357394040515E-7 -4.24085648410102E-10
i -2.052611053792683E-16 9.449916908775355E-16 -1.879559841346298E-12 4.237834552430616E-10 -4.24085648410102E-10 4.370782028566044E-11

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 16.58   n/a E2021B55  

216836 (2006 WW54)          Discovered 2006-Nov-16 by Spacewatch at Kitt Peak
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

[ 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
1903-Aug-03 21:57 00:06 Jupiter 1.98577012758407 1.98576926004113 1.98577099513119 3.78437598500959 3.66993315853976 2416330.414919317 5.6231833151255 264.971513566364 28.7736114719069 -85.1742063660407 2080742.70816796 T 11 CATAB v2.0g-lin.ifort 2021-Aug-25 23:41:25 2021-Aug-25 23:41
1952-Sep-18 15:40 00:03 Jupiter 1.92493414991338 1.92493326028584 1.92493503954136 3.45097613989639 3.32102135271978 2434274.152779491 3.13546705792913 124.088416980111 29.9402621029353 81.5455108685296 1896080.09823868 T 11 CATAB v2.0g-lin.ifort 2021-Aug-25 23:41:25 2021-Aug-25 23:41
2011-Jul-21 09:17 < 00:01 Jupiter 1.92475016882908 1.92474929042444 1.92475104723361 3.50189507644741 3.37388967096798 2455763.886662136 0.334248062829195 57.7629549629277 32.9633038454569 -83.1392147955328 1665635.98295349 T 11 CATAB v2.0g-lin.ifort 2021-Aug-25 23:41:25 2021-Aug-25 23:41
2060-Sep-05 04:54 00:02 Jupiter 1.99101947649154 1.99101889182594 1.99102006115702 3.52921280212604 3.40653782948222 2473707.704316367 2.40729208149203 76.0178968830085 23.1979104846048 88.4618306486339 2572122.19818069 T 11 CATAB v2.0g-lin.ifort 2021-Aug-25 23:41:25 2021-Aug-25 23:41
2070-May-23 02:02 00:03 Jupiter 1.94204263527446 1.94204159040668 1.94204368014389 3.60705374521032 3.48404019590827 2477254.584677158 2.8170786879497 147.718460129608 28.8631267572113 -78.4176787663736 1847992.07244089 T 11 CATAB v2.0g-lin.ifort 2021-Aug-25 23:41:25 2021-Aug-25 23:41
2119-Jul-11 11:56 00:05 Jupiter 1.95493813576247 1.95493744437994 1.95493882714522 3.47158291008144 3.34444932500109 2495199.996897279 5.3746616968512 141.586438171829 25.6399759069417 84.782859389755 2259616.1200268 T 11 CATAB v2.0g-lin.ifort 2021-Aug-25 23:41:25 2021-Aug-25 23:41
2129-Mar-27 08:03 00:06 Jupiter 1.97422648219736 1.97422502381261 1.97422794059287 3.75367904248272 3.63758518357844 2498746.835151680 5.71684703893725 281.614246256884 29.0912056865463 -79.0645169905344 1976469.57336444 T 11 CATAB v2.0g-lin.ifort 2021-Aug-25 23:41:25 2021-Aug-25 23:41
2178-May-13 21:34 00:08 Jupiter 1.93445805525354 1.93445735207354 1.93445875843343 3.46322309221625 3.33439551574904 2516691.398335749 8.3728087641019 272.712701453978 26.6617397206743 88.7677425288925 2031016.70807089 T 11 CATAB v2.0g-lin.ifort 2021-Aug-25 23:41:25 2021-Aug-25 23:41

Alternate Designations
 2006 WW54 = 2005 UT133 = 2008 CO132 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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