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JPL Small-Body Database Browser
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266908 (2009 WX209)
Classification: Outer Main-belt Asteroid          SPK-ID: 2266908
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05747798382033744 1.2989e-07  
a 4.021680403594717 1.2799e-07 au
q 3.790522322426331 6.1237e-07 au
i 3.57878676316144 1.0837e-05 deg
node 205.7426359036923 0.00012371 deg
peri 291.7182158704638 0.00017364 deg
M 350.0323757633062 0.00011238 deg
tp 2458682.064075121410
(2019-Jul-17.56407512)
0.00091887 TDB
period 2945.844099500982
8.07
0.00014062
3.85e-07
d
yr
n .1222060597371677 5.8336e-09 deg/d
Q 4.252838484763102 1.3534e-07 au
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      5432 days (14.87 yr)  
   first obs. used      2004-03-15  
   last obs. used      2019-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6664  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:12:35  

Additional Information
 Earth MOID = 2.80661 au 
 Jupiter MOID = .805587 au 
 T_jup = 3.046 
[ 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 15.2   n/a MPO433732  

266908 (2009 WX209)          Discovered 2009-Nov-18 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2009 WX209 = 2004 EK30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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