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266910 (2009 WD234)
Classification: Main-belt Asteroid          SPK-ID: 2266910
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09432284580887769 7.1666e-08  
a 3.061687280595935 4.0822e-08 au
q 2.772900223313282 2.4012e-07 au
i 1.663003706456528 5.7199e-06 deg
node 233.3261901129428 0.00024902 deg
peri 151.3680344506135 0.00025169 deg
M .9364453795121999 3.6264e-05 deg
tp 2458995.409978436199
(2020-May-25.90997844)
0.00019708 TDB
period 1956.769506324913
5.36
3.9135e-05
1.071e-07
d
yr
n .1839767018222449 3.6795e-09 deg/d
Q 3.350474337878587 4.4672e-08 au
  Orbit Determination Parameters
   # obs. used (total)      178  
   data-arc span      9033 days (24.73 yr)  
   first obs. used      1995-02-07  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5624  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 04:07:12  

Additional Information
 Earth MOID = 1.77675 au 
 Jupiter MOID = 2.08443 au 
 T_jup = 3.226 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO446350  

266910 (2009 WD234)          Discovered 2009-Nov-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

Alternate Designations
 2009 WD234 = 2006 DH126 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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