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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0303182265378091 7.0096e-08  
a 3.069566309157433 4.3695e-08 au
q 2.976502502423571 2.3911e-07 au
i .7510466162813589 6.9281e-06 deg
node 295.6863605000616 0.00069187 deg
peri 15.36624594907741 0.00071016 deg
M 19.68743528887113 0.0001563 deg
tp 2459289.076178235007
(2021-Mar-15.57617824)
0.0008533 TDB
period 1964.327768851558
5.38
4.1943e-05
1.148e-07
d
yr
n .1832688035614716 3.9132e-09 deg/d
Q 3.162630115891294 4.502e-08 au
  Orbit Determination Parameters
   # obs. used (total)      146  
   data-arc span      9015 days (24.68 yr)  
   first obs. used      1995-11-15  
   last obs. used      2020-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58972  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:56:28  

Additional Information
 Earth MOID = 1.96136 au 
 Jupiter MOID = 1.91641 au 
 T_jup = 3.230 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456801.5 (2014-May-24.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02838751161228499 7.3393e-08  
q 2.977397038356248 2.4755e-07 au
tp 2457367.196233363943
(2015-Dec-10.69623336)
0.00089322 TDB
node 295.8058417324887 0.00068943 deg
peri 22.55629781946564 0.00070895 deg
i .7538253948299286 6.9335e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      146  
   data-arc span      9015 days (24.68 yr)  
   first obs. used      1995-11-15  
   last obs. used      2020-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58972  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:56:28  

Additional Information
 Jupiter MOID = 1.91641 au 
 T_jup = 3.230 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.38648487067164E-15 -1.798638544152986E-14 1.814465328711922E-11 -3.586971166790176E-14 3.53364902373801E-12 -2.701904217847786E-16
q -1.798638544152986E-14 6.127978219233202E-14 -6.476651227947775E-11 1.60711700525815E-13 -1.267175904706794E-11 1.199337353707241E-15
tp 1.814465328711922E-11 -6.476651227947775E-11 7.978437690477613E-7 -2.548627442703154E-10 1.477073340407884E-7 8.818764344003065E-14
node -3.586971166790176E-14 1.60711700525815E-13 -2.548627442703154E-10 4.753097847642202E-7 -4.753151205840054E-7 -1.788560561380865E-10
peri 3.53364902373801E-12 -1.267175904706794E-11 1.477073340407884E-7 -4.753151205840054E-7 5.026099573164017E-7 1.78847542956533E-10
i -2.701904217847786E-16 1.199337353707241E-15 8.818764344003065E-14 -1.788560561380865E-10 1.78847542956533E-10 4.807301265630334E-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

[ show close-approach data ]
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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