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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1977433624094707 5.8049e-08  
a 2.710527020333934 2.7092e-08 au
q 2.174538293431378 1.5219e-07 au
i 8.188793595658376 7.3105e-06 deg
node 250.59504377 4.6392e-05 deg
peri 226.9286663468843 5.0303e-05 deg
M 208.089673202073 2.0613e-05 deg
tp 2459688.302635460729
(2022-Apr-18.80263546)
9.8263e-05 TDB
period 1629.967850014798
4.46
2.4438e-05
6.691e-08
d
yr
n .2208632519940388 3.3113e-09 deg/d
Q 3.246515747236489 3.2449e-08 au
  Orbit Determination Parameters
   # obs. used (total)      240  
   data-arc span      6678 days (18.28 yr)  
   first obs. used      2000-01-08  
   last obs. used      2018-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54569  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 06:11:26  

Additional Information
 Earth MOID = 1.20024 au 
 Jupiter MOID = 1.92979 au 
 T_jup = 3.320 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456761.5 (2014-Apr-14.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1960770067403349 5.744e-08  
q 2.179001580524107 1.501e-07 au
tp 2456422.182159988842
(2013-May-09.68215999)
8.4688e-05 TDB
node 250.68636621859 4.6273e-05 deg
peri 226.0517959337114 5.0389e-05 deg
i 8.196995812922447 7.3228e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      240  
   data-arc span      6678 days (18.28 yr)  
   first obs. used      2000-01-08  
   last obs. used      2018-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54569  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 06:11:26  

Additional Information
 Jupiter MOID = 1.92979 au 
 T_jup = 3.320 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.299375887631412E-15 -8.542490572080252E-15 -2.051279144172239E-13 7.231054577912078E-15 1.864753835013522E-14 -1.488836297012953E-15
q -8.542490572080252E-15 2.252941282500577E-14 6.958685615805146E-13 -1.646693172546863E-14 5.919266059567204E-15 3.999433718907449E-15
tp -2.051279144172239E-13 6.958685615805146E-13 7.172008280124178E-9 3.970190627920433E-12 1.726361927432218E-9 1.012317367591377E-12
node 7.231054577912078E-15 -1.646693172546863E-14 3.970190627920433E-12 2.141221983354072E-9 -2.117683794394925E-9 -3.908994733506959E-11
peri 1.864753835013522E-14 5.919266059567204E-15 1.726361927432218E-9 -2.117683794394925E-9 2.539096015472822E-9 3.897262111256849E-11
i -1.488836297012953E-15 3.999433718907449E-15 1.012317367591377E-12 -3.908994733506959E-11 3.897262111256849E-11 5.362369978962393E-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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