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JPL Small-Body Database Browser
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266224 (2006 WS202)
Classification: Main-belt Asteroid          SPK-ID: 2266224
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02846853791425996 5.455e-08  
a 2.62999648390517 2.6161e-08 au
q 2.555124329288746 1.4873e-07 au
i 12.63031110017074 4.9162e-06 deg
node 128.076745684604 2.7564e-05 deg
peri 296.913838229347 9.5376e-05 deg
M 25.19071993203026 8.9625e-05 deg
tp 2458491.489267626405
(2019-Jan-07.98926763)
0.00038825 TDB
period 1557.8698727302
4.27
2.3244e-05
6.364e-08
d
yr
n .2310847692105968 3.4479e-09 deg/d
Q 2.704868638521595 2.6905e-08 au
  Orbit Determination Parameters
   # obs. used (total)      212  
   data-arc span      6758 days (18.50 yr)  
   first obs. used      2000-07-06  
   last obs. used      2019-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50971  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:49:25  

Additional Information
 Earth MOID = 1.59281 au 
 Jupiter MOID = 2.39419 au 
 T_jup = 3.365 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457104.5 (2015-Mar-23.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02704894096030359 5.4408e-08  
q 2.55878250137811 1.4818e-07 au
tp 2456939.204699924468
(2014-Oct-08.70469992)
0.00041687 TDB
node 128.1249022121379 2.753e-05 deg
peri 298.2091914661975 0.00010026 deg
i 12.63759493505027 4.9197e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      212  
   data-arc span      6758 days (18.50 yr)  
   first obs. used      2000-07-06  
   last obs. used      2019-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50971  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:49:25  

Additional Information
 Jupiter MOID = 2.39419 au 
 T_jup = 3.365 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.960246544442055E-15 -7.944174883676813E-15 -2.336918610246444E-12 -2.9597821452367E-14 -5.290522507201597E-13 -7.824719429368468E-16
q -7.944174883676813E-15 2.195767576729776E-14 2.842145076297326E-12 8.175003628397496E-14 6.361219037938091E-13 4.160513431686219E-15
tp -2.336918610246444E-12 2.842145076297326E-12 1.737794961485258E-7 -8.654357277619836E-12 4.023376371762731E-8 -3.219995181014257E-11
node -2.9597821452367E-14 8.175003628397496E-14 -8.654357277619836E-12 7.578861209242814E-10 -7.412042208385969E-10 -1.096815419341351E-11
peri -5.290522507201597E-13 6.361219037938091E-13 4.023376371762731E-8 -7.412042208385969E-10 1.005109651096047E-8 3.309873292524632E-12
i -7.824719429368468E-16 4.160513431686219E-15 -3.219995181014257E-11 -1.096815419341351E-11 3.309873292524632E-12 2.420323257387382E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO470827  

266224 (2006 WS202)          Discovered 2006-Nov-21 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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