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266804 (2009 SO343)
Classification: Main-belt Asteroid          SPK-ID: 2266804
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03791126098756575 7.0462e-08  
a 2.720361954562685 2.5996e-08 au
q 2.617229602522614 1.8635e-07 au
i 6.581491173362894 5.1752e-06 deg
node 48.16791564230203 5.0935e-05 deg
peri 287.0202711277932 9.0344e-05 deg
M 172.1579529307974 7.8041e-05 deg
tp 2458216.776165433581
(2018-Apr-08.27616543)
0.00035272 TDB
period 1638.847207699567
4.49
2.3491e-05
6.431e-08
d
yr
n .2196666036398404 3.1487e-09 deg/d
Q 2.823494306602755 2.6981e-08 au
  Orbit Determination Parameters
   # obs. used (total)      195  
   data-arc span      8444 days (23.12 yr)  
   first obs. used      1996-12-14  
   last obs. used      2020-01-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51156  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 12:49:52  

Additional Information
 Earth MOID = 1.61728 au 
 Jupiter MOID = 2.30573 au 
 T_jup = 3.348 
[ 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 16.5   n/a MPO460147  

266804 (2009 SO343)          Discovered 2009-Sep-17 by Spacewatch at Kitt Peak
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2009 SO343 = 2005 UJ461 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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