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JPL Small-Body Database Browser
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266907 (2009 WB203)
Classification: Main-belt Asteroid          SPK-ID: 2266907
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 .06247547246414781 5.8235e-08  
a 2.996554510014324 3.8665e-08 au
q 2.809343351236606 1.8299e-07 au
i 1.560602539350375 6.2354e-06 deg
node 223.8470317124884 0.00025996 deg
peri 39.24474491415564 0.00026583 deg
M 93.23230650273777 5.4897e-05 deg
tp 2458109.823082777587
(2017-Dec-22.32308278)
0.00028879 TDB
period 1894.661805828878
5.19
3.6671e-05
1.004e-07
d
yr
n .1900075247690481 3.6775e-09 deg/d
Q 3.183765668792042 4.1081e-08 au
  Orbit Determination Parameters
   # obs. used (total)      176  
   data-arc span      6344 days (17.37 yr)  
   first obs. used      2001-03-29  
   last obs. used      2018-08-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57157  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:58:38  

Additional Information
 Earth MOID = 1.79353 au 
 Jupiter MOID = 1.85181 au 
 T_jup = 3.251 
[ 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 16.3   n/a MPO454984  

266907 (2009 WB203)          Discovered 2009-Nov-16 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2009 WB203 = 2006 BF199 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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