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268456 (2005 WR93)
Classification: Main-belt Asteroid          SPK-ID: 2268456
[ 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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2568736980492273 4.1376e-08  
a 2.785399773185295 1.2702e-08 au
q 2.06990383290171 1.1352e-07 au
i 11.59562512304981 5.1271e-06 deg
node 109.9919837970105 2.1556e-05 deg
peri 333.0201292998025 2.511e-05 deg
M 51.85061306158571 9.5124e-06 deg
tp 2458755.942421455592
(2019-Sep-29.44242146)		 4.4589e-05 TDB
period 1697.968897135626
4.65		 1.1615e-05
3.18e-08		 d
yr
n .212018017884367 1.4503e-09 deg/d
Q 3.500895713468881 1.5965e-08 au
   Orbit Determination Parameters
   # obs. used (total)      491  
   data-arc span      7139 days (19.55 yr)  
   first obs. used      2000-10-01  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5078  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 15:35:17  

Additional Information
 Earth MOID = 1.09305 au 
 Jupiter MOID = 1.76202 au 
 T_jup = 3.253 
[ 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 16.1   n/a MPO454994  

268456 (2005 WR93)          Discovered 2005-Nov-25 by CSS at Catalina
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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