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266225 (2006 WW202)
Classification: Main-belt Asteroid          SPK-ID: 2266225
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1166522850826256 5.0515e-08  
a 2.674393950026809 1.6731e-08 au
q 2.362419784545033 1.3364e-07 au
i 4.076534568695584 5.8731e-06 deg
node 279.6113315816789 9.8808e-05 deg
peri 127.1888768037454 0.00010733 deg
M 82.5359230053626 3.8327e-05 deg
tp 2458634.250525528847
(2019-May-30.75052553)
0.00016998 TDB
period 1597.483931948617
4.37
1.4991e-05
4.104e-08
d
yr
n .2253543793463204 2.1147e-09 deg/d
Q 2.986368115508585 1.8683e-08 au
  Orbit Determination Parameters
   # obs. used (total)      228  
   data-arc span      9980 days (27.32 yr)  
   first obs. used      1992-10-03  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58347  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 12:45:22  

Additional Information
 Earth MOID = 1.37498 au 
 Jupiter MOID = 2.36546 au 
 T_jup = 3.366 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456936.5 (2014-Oct-06.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1143965784208823 5.04e-08  
q 2.368554264309074 1.3301e-07 au
tp 2457033.694188982740
(2015-Jan-11.19418898)
0.00017583 TDB
node 279.8377630941688 9.8744e-05 deg
peri 126.4496151041179 0.00010774 deg
i 4.076643117411212 5.8803e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      228  
   data-arc span      9980 days (27.32 yr)  
   first obs. used      1992-10-03  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58347  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 12:45:22  

Additional Information
 Jupiter MOID = 2.36546 au 
 T_jup = 3.366 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.540180161854511E-15 -6.663229200829835E-15 -3.35538823814021E-12 -1.482525949372707E-14 -8.335964580420032E-13 -3.009788700649352E-15
q -6.663229200829835E-15 1.769194266300147E-14 8.815198482455295E-12 3.735326899021516E-14 2.187514739612581E-12 8.29320260011494E-15
tp -3.35538823814021E-12 8.815198482455295E-12 3.091684952784896E-8 5.750060966177068E-11 7.644576972928729E-9 1.538380771975421E-11
node -1.482525949372707E-14 3.735326899021516E-14 5.750060966177068E-11 9.750449140065647E-9 -9.710731977342625E-9 1.81216273541349E-10
peri -8.335964580420032E-13 2.187514739612581E-12 7.644576972928729E-9 -9.710731977342625E-9 1.160889627828035E-8 -1.769808359959015E-10
i -3.009788700649352E-15 8.29320260011494E-15 1.538380771975421E-11 1.81216273541349E-10 -1.769808359959015E-10 3.457773504119673E-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 16.6   n/a MPO376782  

266225 (2006 WW202)          Discovered 2006-Nov-27 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

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