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226552 (2003 WN6)
Classification: Main-belt Asteroid          SPK-ID: 2226552
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .197743371936115 5.4456e-08  
a 2.710527001841146 2.3678e-08 au
q 2.17453825277319 1.4571e-07 au
i 8.188799892024846 5.1886e-06 deg
node 250.5950384160702 4.5745e-05 deg
peri 226.9286847166321 4.8539e-05 deg
M 208.089670264509 1.9997e-05 deg
tp 2459688.302641722221
(2022-Apr-18.80264172)
9.6664e-05 TDB
period 1629.967833333919
4.46
2.1358e-05
5.848e-08
d
yr
n .2208632542543246 2.8941e-09 deg/d
Q 3.246515750909103 2.8361e-08 au
  Orbit Determination Parameters
   # obs. used (total)      273  
   data-arc span      7586 days (20.77 yr)  
   first obs. used      2000-01-08  
   last obs. used      2020-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55033  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:32:04  

Additional Information
 Earth MOID = 1.20024 au 
 Jupiter MOID = 1.92979 au 
 T_jup = 3.320 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457534.5 (2016-May-26.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1956702133680741 5.3647e-08  
q 2.181100366795749 1.43e-07 au
tp 2458053.381126859218
(2017-Oct-26.88112686)
8.4693e-05 TDB
node 250.6679580826317 4.5643e-05 deg
peri 226.1803863523288 4.8606e-05 deg
i 8.194199082842562 5.1936e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      273  
   data-arc span      7586 days (20.77 yr)  
   first obs. used      2000-01-08  
   last obs. used      2020-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55033  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 02:32:04  

Additional Information
 Jupiter MOID = 1.92979 au 
 T_jup = 3.320 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.877980699456681E-15 -7.604973276496293E-15 8.763656964858559E-13 -4.173091587353854E-16 2.565267038792741E-13 4.189412203199549E-15
q -7.604973276496293E-15 2.04481312116003E-14 -1.42332763389853E-12 1.788023014546877E-15 -5.287551150132698E-13 -9.819866662889435E-15
tp 8.763656964858559E-13 -1.42332763389853E-12 7.17295223987132E-9 -5.391910597083447E-13 1.464729606474985E-9 6.799111818228689E-12
node -4.173091587353854E-16 1.788023014546877E-15 -5.391910597083447E-13 2.083280768330558E-9 -2.061924402808868E-9 -1.655595422452199E-12
peri 2.565267038792741E-13 -5.287551150132698E-13 1.464729606474985E-9 -2.061924402808868E-9 2.362557601075636E-9 3.012029123647986E-12
i 4.189412203199549E-15 -9.819866662889435E-15 6.799111818228689E-12 -1.655595422452199E-12 3.012029123647986E-12 2.69731389186135E-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 16.2   n/a MPO440183  

226552 (2003 WN6)          Discovered 2003-Nov-16 by Spacewatch at Kitt Peak
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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