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JPL Small-Body Database Browser
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266913 (2009 WQ251)
Classification: Main-belt Asteroid          SPK-ID: 2266913
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1306407312690017 5.7209e-08  
a 3.01300450100706 3.2133e-08 au
q 2.619383389678704 1.7219e-07 au
i 9.97018411739376 4.1859e-06 deg
node 121.9078012010082 3.8588e-05 deg
peri 246.9808435258614 4.4343e-05 deg
M 337.3924250446997 1.9201e-05 deg
tp 2458720.463623789210
(2019-Aug-24.96362379)
0.00010138 TDB
period 1910.284701013033
5.23
3.0559e-05
8.367e-08
d
yr
n .1884535848552261 3.0147e-09 deg/d
Q 3.406625612335416 3.6331e-08 au
  Orbit Determination Parameters
   # obs. used (total)      277  
   data-arc span      6351 days (17.39 yr)  
   first obs. used      2002-07-07  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58591  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 19:34:57  

Additional Information
 Earth MOID = 1.63656 au 
 Jupiter MOID = 2.10157 au 
 T_jup = 3.213 
[ 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 15.7   n/a MPO413196  

266913 (2009 WQ251)          Discovered 2003-Aug-23 by NEAT at Palomar
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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