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216840 (2006 WN201)
Classification: Main-belt Asteroid          SPK-ID: 2216840
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02772667457801862 5.4076e-08  
a 3.16495896775303 3.3859e-08 au
q 3.07720518040136 1.8215e-07 au
i 8.349965586090459 5.2492e-06 deg
node 72.15094644738488 3.5101e-05 deg
peri 295.6836032146865 0.00010896 deg
M 253.1074159533849 0.000107 deg
tp 2459811.154593017348
(2022-Aug-19.65459302)
0.00061427 TDB
period 2056.603415914959
5.63
3.3002e-05
9.035e-08
d
yr
n .1750459020023753 2.809e-09 deg/d
Q 3.2527127551047 3.4798e-08 au
  Orbit Determination Parameters
   # obs. used (total)      307  
   data-arc span      7139 days (19.55 yr)  
   first obs. used      2000-12-05  
   last obs. used      2020-06-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55818  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:56:29  

Additional Information
 Earth MOID = 2.08766 au 
 Jupiter MOID = 1.90226 au 
 T_jup = 3.187 
[ 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 15.55   n/a E2021B55  

216840 (2006 WN201)          Discovered 2006-Nov-17 by Spacewatch at Kitt Peak
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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