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JPL Small-Body Database Browser
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266734 (2009 SO)
Classification: Main-belt Asteroid          SPK-ID: 2266734
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2452594422762154 5.4728e-08  
a 2.387745876001917 2.3072e-08 au
q 1.802128654156354 1.4083e-07 au
i 4.117807451187389 6.6914e-06 deg
node 249.8158038867847 8.1849e-05 deg
peri 69.3412401961875 8.3371e-05 deg
M 237.0289694652928 1.9117e-05 deg
tp 2459060.842311554160
(2020-Jul-30.34231155)
7.6138e-05 TDB
period 1347.660757488115
3.69
1.9533e-05
5.348e-08
d
yr
n .267129541317949 3.8718e-09 deg/d
Q 2.973363097847481 2.8731e-08 au
  Orbit Determination Parameters
   # obs. used (total)      206  
   data-arc span      7495 days (20.52 yr)  
   first obs. used      1998-09-26  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62871  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:25:53  

Additional Information
 Earth MOID = .793279 au 
 Jupiter MOID = 2.35609 au 
 T_jup = 3.489 
[ 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 17.0   n/a MPO266734  

266734 (2009 SO)          Discovered 2009-Sep-16 by Birtwhistle, P. at Great Shefford
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

[ show close-approach data ]
Alternate Designations
 2009 SO = 1998 SB91 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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