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268443 (2005 WY26)
Classification: Main-belt Asteroid          SPK-ID: 2268443
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1382878785399172 7.1359e-08  
a 2.61994329053154 2.6026e-08 au
q 2.257636890989044 2.0266e-07 au
i 3.150721216152777 4.1138e-06 deg
node 266.1502593280803 0.00010994 deg
peri 100.8225110664978 0.00011133 deg
M 199.296944799542 2.1148e-05 deg
tp 2459691.945406798553
(2022-Apr-22.44540680)
9.8268e-05 TDB
period 1548.945949639728
4.24
2.308e-05
6.319e-08
d
yr
n .2324161150256619 3.4631e-09 deg/d
Q 2.982249690074037 2.9625e-08 au
  Orbit Determination Parameters
   # obs. used (total)      324  
   data-arc span      5270 days (14.43 yr)  
   first obs. used      2005-11-21  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59972  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 15:35:17  

Additional Information
 Earth MOID = 1.25892 au 
 Jupiter MOID = 2.49633 au 
 T_jup = 3.389 
[ 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 16.4   n/a MPO418424  

268443 (2005 WY26)          Discovered 2005-Nov-21 by Spacewatch at Kitt Peak
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

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